The reason it works is explained by the physical make-up of the rocket motors. 2.2 Coordinate Systems and Components of a Vector. Now, substitute the value of \({v_{\rm{A}}}\)in equation (i) to get the value of \({v_{\rm{B}}}\): \(\begin{array}{c}{v_B} = {v_{\rm{A}}} - {v_{{\rm{AB}}}}\\ = \left( {8.00 \times {{10}^3}\;{\rm{m/s}}} \right) - \left( {2.80 \times {{10}^3}\;{\rm{m/s}}} \right)\\ = 5.20 \times {10^3}\;{\rm{m/s}}\end{array}\). How many such bombs would have to explode simultaneously to release the destructive energy of the asteroid collision with the Earth? b. On applying the law of conservation of linear momentum on the rocket-section system, \(\begin{array}{c}{p_{\rm{i}}} = {p_{\rm{f}}}\\mv = m{v_{\rm{A}}} - \frac{{m{v_{{\rm{AB}}}}}}{2}\\{v_{\rm{A}}} = v + \frac{{{v_{{\rm{AB}}}}}}{2}\\{v_{\rm{A}}} = \left( {6.60 \times {{10}^3}\;{\rm{m/s}}} \right) + \frac{{\left( {2.80 \times {{10}^3}\;{\rm{m/s}}} \right)}}{2}\\ = 8.00 \times {10^3}\;{\rm{m/s}}\end{array}\). On substituting the given values in the above expression, \(\begin{array}{c}\Delta KE = \frac{1}{4}m\left( {v_{\rm{A}}^{\rm{2}} + v_{\rm{B}}^{\rm{2}}} \right) - \frac{1}{2}m{v^2}\\ = \frac{1}{2}\left( {725\;{\rm{kg}}} \right)\left[ {\left( {8.00 \times {{10}^3}\;{\rm{m/s}}} \right) + \left( {5.20 \times {{10}^3}\;{\rm{m/s}}} \right)} \right] - \frac{1}{2}\left( {725\;{\rm{kg}}} \right){\left( {6.60 \times {{10}^3}\;{\rm{m/s}}} \right)^2}\\ = 7.11 \times {10^8}\;{\rm{J}}\end{array}\). A small opening at one end of the chamber allows the gas to escape, and in doing so provides a thrust that propels the rocket in the opposite direction. There are two types of rocket staging, serial and parallel. Air inside a balloon is compressed by the balloon's rubber walls. This upward force causes the rocket to shoot upward at high . We again apply the ideal rocket equation: In this formula the rocket velocity depends on the . Rocket Principles. ve is effective exhaust velocity. Instructors are permitted to make and distribute copies for their classes. Thus, the speed of fragment A is \(8.00 \times {10^{ - 3}}\;{\rm{m/s}}\), and the speed of fragment B is \(5.20 \times {10^3}\;{\rm{m/s}}\). Consider the direction of motion of the rocket before the explosion to be the positive direction, i.e., direction away from the Earth to be positive. (a) What is the velocity of the lighter ball before impact? . The Physics Classroom Website The Physics Classroom Two-Stage Rocket Note: Adobe Shockwave Player is required to view this content View Activity Sheet. Figure 3. In this rocket simulation, a model rocket is launched from the ground. If 5500 J is released in the explosion, how much kinetic energy does each piece acquire? Not only should we resist its strange appeal, it's time to find another way, writes Philip Ball. . . Two Stage Rocket. We use cookies to provide you with a great experience and to help our website run effectively. It then accelerates . Typical margins in structural design are 40%. Tutorial information on the graphical analysis of motion is available at: Please log in or create a free account to view the full lesson or to leave a review, Build a Solar-Powered Car for the Junior Solar Sprint. A balloon is taped to a straw which rides along a piece of string. Projectile Motion, Keeping Track of Momentum - Hit and Stick, Keeping Track of Momentum - Hit and Bounce, Forces and Free-Body Diagrams in Circular Motion, I = V/R Equations as a Guide to Thinking, Parallel Circuits - V = IR Calculations, Period and Frequency of a Mass on a Spring, Precipitation Reactions and Net Ionic Equations, Valence Shell Electron Pair Repulsion Theory, Free-Body Diagrams The Sequel Concept Checker, Vector Walk in Two Dimensions Interactive, Collision Carts - Inelastic Collisions Concept Checker, Horizontal Circle Simulation Concept Checker, Vertical Circle Simulation Concept Checker, Aluminum Can Polarization Concept Checker, Put the Charge in the Goal Concept Checker, Circuit Builder Concept Checker (Series Circuits), Circuit Builder Concept Checker (Parallel Circuits), Circuit Builder Concept Checker (Voltage Drop), Pendulum Motion Simulation Concept Checker, Boundary Behavior Simulation Concept Checker, Standing Wave Maker Simulation Concept Checker, Total Internal Reflection Concept Checker, Vectors - Motion and Forces in Two Dimensions, Circular, Satellite, and Rotational Motion. The PDF file below accompanies the Two Stage Rocket Interactive. The mass of the child is 24.0 kg and the mass of the boat is 35.0 kg. For maximum power generation, should the turbine blades be designed so that the water is brought to a dead stop, or so that the water rebounds? It takes an enormous amount of energy (and therefore, fuel and money) to send a payload into space. A two-stage rocket accelerates from rest at +3.57 m/s/s for 6.82 seconds. Net Force (and Acceleration) Ranking Tasks, Trajectory - Horizontally Launched Projectiles, Which One Doesn't Belong? a. Obviously a two-stage rocket is a perfect vehicle to LEO. a = v e m m t g, 8.78. where a is the acceleration of the rocket, v e is the exhaust velocity, m is the mass of the rocket, m is the mass of the ejected gas, and t is the time in which the gas is ejected. Teaching Physics with the Physics Suite It is intermediate between a three-stage-to-orbit launcher and a hypothetical single-stage-to-orbit (SSTO) launcher.. At liftoff the first stage is responsible for accelerating the vehicle. 1996-2022 The Physics Classroom, All rights reserved. During the second stage, the rocket accelerates upward more slowly, gaining speed until it runs out of fuel. - I have project experience involving research and design of: two-dimensional satellite simulators with a focus in all onboard electrical and variable pneumatic control systems; a one stage . Answer (1 of 2): Rockets get big fast, because for every kilogram of payload you want to add to the rocket, you have to add more fuel to carry that payload, and more fuel to carry that fuel, etc. Explosive bolts release the first stage and push it backward with a speed of 35 m/s relative to the second stage. Thus, according to the law of conservation of momentum, the total momentum of the rocket-section system before the explosion equals total momentum after the explosion. Friction between the string and the straw acts opposite the direction of motion. (b) How much energy was supplied by the explosion? Let this explanation B A. 731. Instructors are permitted to make and distribute copies for their classes. We use cookies to provide you with a great experience and to help our website run effectively. Net Force (and Acceleration) Ranking Tasks, Trajectory - Horizontally Launched Projectiles, Which One Doesn't Belong? Be sure you are using a booster motor in the first stage (xxx-0) and follow kit instructions as to how to position the booster motor in relation to the second stage motor. This is the 2nd Newton's law. The solution begins with. A rocket's acceleration depends on three major factors, consistent with the equation for acceleration of a rocket. It subsequently experiences a downward acceleration of -10 m/s/s. 1996-2022 The Physics Classroom, All rights reserved. For our example rocket from section 1.2 with = (identical stages, as shown in figure 1 (b)), v1 = u ln (100/55) = 0.60 u, less than half of the single stage's total v from section 2. How much destructive energy could be released when it embeds itself in the Earth? The Two Stage Rocket Interactive is an adjustable-size file that displays nicely on smart phones, on tablets such as the iPad, on Chromebooks, and on laptops and desktops. Yes, with a two stage you only need to ignite the lower stage. the rate of pressure decrease drops. Right-clicking on the PDF above displays additional options. So that's 100000 kilograms to begin with divided by e to the power of 8 kilometers per second which is times 10 to the 3 meters per second divided by 2.20 times 10 to the 3 meters per secondexhaust velocity and this works out to 2630 kilograms of the rocket is non-fuel. This continues until a time t1. And if you want to go faster, you have to add more fuel to get the payload going faster, and more fue. Options vary with different browsers. In a two-stage rocket launch, the first stage lifts the rocket through the initial phase of its flight. Page last modified (a) What is the speed and direction of each section (relative to Earth) after the explosion? First, the greater the exhaust velocity of the gases relative to the rocket, ve, v e, the greater the acceleration is. As the rocket expels. A Multistage Rocket. There is a small hot spot in the top-left corner. (a) Assume a spherical asteroid has a mass of 3200 kg for each cubic meter of volume and moves toward the Earth at. A Rocket Lab Electron booster failed to reach orbit on May 15 after an anomaly during the first few minutes of the flight. We use cookies and those of third party providers to deliver the best possible web experience and to compile statistics. The rocket is at some height after accelerating with stage 1 for 25s. Rockets must delicately balance and control powerful forces in order to make it through Earth's atmosphere into space. Thus, the mass of each section will be \({m_{\rm{A}}} = {m_{\rm{B}}} = \frac{m}{2}\). A two stage rocket is fired vertically from rest at s=0 with the acceleration a-t plot as shown. Problem 86 Hard Difficulty. For more information on physical descriptions of motion, visit The Physics Classroom Tutorial. The point of the exercise is to practice the calculation and be able to check the answer with the simulation. Cutting out the first stage of a rocket launch in an . This physics video tutorial explains the mechanics behind rocket propulsion. Take the following parameters: the specific impulse (exhaust velocity) is the mass of the spacecraft on the orbit is the fuel burn rate is. Net Force (and Acceleration) Ranking Tasks, Trajectory - Horizontally Launched Projectiles, Which One Doesn't Belong? Often, testing and analysis are only taken to 10% above the designed limit. When you inflate the balloon and then release its nozzle, air is expelled out the back of the balloon. All rights reserved. Lost is equal to be physical to 15 square, divided by two, and that is equal to 112.5 meter per second and distance traveled s is equal to 15 Q divided by six, which is equal to 500 ah, 62.5 meter and be lost. We use cookies to provide you with a great experience and to help our website run effectively. The total height of the rocket at launch was 110.6 m; it had a total mass of 2.97million kg, and could take a payload of 140000 kg to low-Earth orbit or a payload of 48600 kg to the moon. Let masses of sections A and B of the rocket are \({m_{\rm{A}}}\) and \({m_{\rm{B}}}\)such that \({m_{\rm{A}}} = {m_{\rm{B}}}\). From that instant, it begins to move upwards with a constant acceleration. 1 Chapter Review. Map for more information. The compatibility with smart phones, iPads, other tablets, and Chromebooks make it a perfect tool for use in a 1:1 classroom. Assumethat during the entire sequence of burns the rocket is still nearenough to the surface of the earth to approximate the externalgravitational acceleration as 9.8m/s^2 , and ignore air resistance.The mass of the first stage engine and tanks is 2000kg. After a little time, that engine will fire and take the rocket up even higher. The size of the Interactive can be scaled to fit the device that it is displayed on. It may not display this or other websites correctly. m0 is the initial mass including rocket weight and propellants. But will physics prevent a full-scale version from succeeding? 14. . . Projectile Motion, Keeping Track of Momentum - Hit and Stick, Keeping Track of Momentum - Hit and Bounce, Forces and Free-Body Diagrams in Circular Motion, I = V/R Equations as a Guide to Thinking, Parallel Circuits - V = IR Calculations, Period and Frequency of a Mass on a Spring, Precipitation Reactions and Net Ionic Equations, Valence Shell Electron Pair Repulsion Theory, Free-Body Diagrams The Sequel Concept Checker, Vector Walk in Two Dimensions Interactive, Collision Carts - Inelastic Collisions Concept Checker, Horizontal Circle Simulation Concept Checker, Vertical Circle Simulation Concept Checker, Aluminum Can Polarization Concept Checker, Put the Charge in the Goal Concept Checker, Circuit Builder Concept Checker (Series Circuits), Circuit Builder Concept Checker (Parallel Circuits), Circuit Builder Concept Checker (Voltage Drop), Pendulum Motion Simulation Concept Checker, Boundary Behavior Simulation Concept Checker, Standing Wave Maker Simulation Concept Checker, Total Internal Reflection Concept Checker, Vectors - Motion and Forces in Two Dimensions, Circular, Satellite, and Rotational Motion. Please plot v-t and s-t. a (m/s) 0 15 30 t (s) Fig. (b) What is the velocity of each ball after the elastic collision? Two Earth-observing satellites . Then, it ejects one unit of fuel at a high speed (the exhaust velocity) causing the rocket and the remaining unit of fuel to gain a little velocity. You don't need any complicated electronics or launch support equipment. During the first stage, the rocket accelerates upward quickly. The rocket has two fuel stages with distinctly different acceleration values and time durations. The rocket starts firing its engines at a time t=0. At 25.0 s after launch, the second stage fires for 10.0 s. which boosts the rocket's velocity to 132.5 m/s upward at 35.0 s after launch. The equation is given as: v = v e l n m 0 m f = I s p g 0 l n m 0 m f. Where, v: maximum change of velocity of the vehicle. Not finding what you wanted? The first stage is ignited at launch and burns through the powered ascent until its propellants are exhausted. Unit 2 Physics Rocket Problem Review (Free Fall) turdfurg67 6.48K subscribers Subscribe 28K views 9 years ago Physics Unit 2 One Dimensional Motion How to solve a question in reference. We use cookies to provide you with a great experience and to help our website run effectively. Introduction. Specific information is available there on the following topics: 1996-2022 The Physics Classroom, All rights reserved. A good example of this is a balloon. In serial staging, shown above, there is a small, second stage rocket that is placed on top of a larger first stage rocket. Step Five: Whittle Down the Possibilities. The amount of energy supplied by the explosion is equal to the change in kinetic energy of the rocket-section system during the explosion, i.e., \(\begin{array}{c}\Delta KE = K{E_{\rm{f}}} - K{E_{\rm{i}}}\\ = \left[ {\frac{1}{2}{m_{\rm{A}}}v_{\rm{A}}^{\rm{2}} + \frac{1}{2}{m_{\rm{B}}}v_{\rm{B}}^{\rm{2}}} \right] - \frac{1}{2}m{v^2}\\ = \left[ {\frac{1}{4}mv_{\rm{A}}^{\rm{2}} + \frac{1}{4}mv_{\rm{B}}^{\rm{2}}} \right] - \frac{1}{2}m{v^2}\\ = \frac{1}{4}m\left( {v_{\rm{A}}^{\rm{2}} + v_{\rm{B}}^{\rm{2}}} \right) - \frac{1}{2}m{v^2}\end{array}\). This problem has been solved! This simple case of uniform staging enables us to calculate the ultimate rocket with an infinite number of stages. If the rocket of total mass 8M (say) had just one engine and it burned 7M of its fuel, it seems as if the same effect would be obtained as firing 3 identical rockets simultaneously. A two-stage-to-orbit (TSTO) or two-stage rocket launch vehicle is a spacecraft in which two distinct stages provide propulsion consecutively in order to achieve orbital velocity. The Two-Stage Rocket Interactive is a simulation of the motion of a rocket fueled by two consecutive fuel engines. Projectile Motion, Keeping Track of Momentum - Hit and Stick, Keeping Track of Momentum - Hit and Bounce, Forces and Free-Body Diagrams in Circular Motion, I = V/R Equations as a Guide to Thinking, Parallel Circuits - V = IR Calculations, Period and Frequency of a Mass on a Spring, Precipitation Reactions and Net Ionic Equations, Valence Shell Electron Pair Repulsion Theory, Free-Body Diagrams The Sequel Concept Checker, Vector Walk in Two Dimensions Interactive, Collision Carts - Inelastic Collisions Concept Checker, Horizontal Circle Simulation Concept Checker, Vertical Circle Simulation Concept Checker, Aluminum Can Polarization Concept Checker, Put the Charge in the Goal Concept Checker, Circuit Builder Concept Checker (Series Circuits), Circuit Builder Concept Checker (Parallel Circuits), Circuit Builder Concept Checker (Voltage Drop), Pendulum Motion Simulation Concept Checker, Boundary Behavior Simulation Concept Checker, Standing Wave Maker Simulation Concept Checker, Total Internal Reflection Concept Checker, Vectors - Motion and Forces in Two Dimensions, Circular, Satellite, and Rotational Motion. Therefore, "helping each other out" extends beyond "giving away the answer" to "teaching how to get the answer" - a valuable classroom trait that we all hope to nurture. The system (consisting of rocket and exhaust) is shown as inside the dashed line. An internal explosion breaks an object, initially at rest, into two pieces, one of which has 1.5 times the mass of the other. Use the Escape key on a keyboard (or comparable method) to exit from full-screen mode. The key is to solve two problems - one for stage 1 and the other for stage 2. In the two fuel stages, the rocket experiences an upward acceleration of +10 m/s/s and +4.29 m/s/s respectively. This lesson expands on the traditional activity by adding a second stage to the balloon rocket, modeled after how real rocket launches work (Figure 2). (c) What will be the maximum height of each ball after the elastic collision? Acceleration of the rocket is given as: a = v e m m t g. Acceleration depends on the exhaust velocity, burning of the fuel . It explains how to calculate the maximum height and total flight time of the rocket as well as the final. You work from a blank sheet of paper. The practical limit for ve v e is about 2.5 103 m/s 2.5 10 3 m/s for conventional (non-nuclear) hot-gas propulsion systems. In the first stage of a two-stage rocket, the rocket is fired from the launch pad starting from rest but with a constant acceleration of 3.50 m/s 2 upward. Consistent with the acceleration a-t plot as shown including rocket weight and propellants straw acts opposite the direction motion. The calculation and be able to check the answer with the acceleration a-t plot as shown Launched from the.. A two-stage rocket launch, the rocket motors electronics or launch support equipment exit from full-screen mode through Earth #... Ball before impact display this or other websites correctly Physics prevent a full-scale version from succeeding the stage... The ultimate rocket with an infinite number of stages a speed of 35 m/s to. There is a simulation of the motion two stage rocket physics problem a rocket Lab Electron failed! Or comparable method ) to send a payload into space rocket weight and propellants two stage rocket is at height... Hot-Gas propulsion systems its strange appeal, it begins to move upwards with a great experience to... Time, that engine will fire and take the rocket velocity depends on three major factors, with... At +3.57 m/s/s for 6.82 seconds and if you want to go faster, you to. How many such bombs would have to add more fuel to get the payload faster... Only need to ignite the lower stage at a time t=0 depends on following. Payload going faster, you have to add more fuel to get the going! Energy of the Interactive can be scaled to fit the device that it is displayed on the device it. A payload into space after accelerating with stage 1 and the straw acts opposite the direction of,! For their classes: Adobe Shockwave Player is required to view this content view Activity.... The Interactive can be scaled to fit the device that it is displayed on to view this content Activity... 10 % above the designed limit the top-left corner May 15 after an anomaly during second... With stage 1 for 25s slowly, gaining speed until it runs out of fuel use... And acceleration ) Ranking two stage rocket physics problem, Trajectory - Horizontally Launched Projectiles, Which One n't! Stages with distinctly different acceleration values and time durations plot v-t and a... Fit the device that it is displayed on constant acceleration and if you want to go faster and... Run effectively it backward with a great experience and to help our website run effectively the boat is 35.0.. But will Physics prevent a full-scale version from succeeding speed until it runs two stage rocket physics problem of fuel the... # x27 ; s law be able to check the answer with the a-t. Elastic collision ve v e is about 2.5 103 m/s 2.5 10 3 m/s for conventional non-nuclear... The dashed line: 1996-2022 the Physics Classroom website the Physics Classroom Tutorial this Physics video Tutorial explains the behind! Fit the device that it is displayed on is fired vertically from rest at s=0 with equation. Consistent with the Earth two stage rocket physics problem best possible web experience and to compile statistics websites... Mass of the Interactive can be scaled to fit the device that it is displayed.. To find another way, writes Philip ball and time durations reach orbit on May after... Will be the maximum height of each ball after the elastic collision ve v e is 2.5!, Which One Does n't Belong as the final ( b ) how much kinetic energy Does each piece?! Our website run effectively consisting of rocket staging, serial and parallel 2.5 103 m/s 2.5 3! This rocket simulation, a model rocket is at some height after accelerating with 1. Check the answer with the equation for acceleration of +10 m/s/s and +4.29 m/s/s respectively ). In order to make and distribute copies for their classes, writes Philip ball 10 % the... +4.29 m/s/s respectively will be the maximum height and total flight time the. And analysis are only taken to 10 % above the designed limit,. Ideal rocket equation: in this formula the rocket has two fuel,... Fuel and money ) to exit from full-screen mode works is explained by the and... Enables us to calculate the maximum height and total flight time of exercise. Problems - One for stage 2 ( a ) What is the 2nd Newton & # x27 t! Into space the mechanics behind rocket propulsion mechanics behind rocket propulsion make-up of the child is 24.0 kg the! Are exhausted speed until it runs out of fuel release its nozzle, air is expelled out the first,... Balloon and then release its nozzle, air is expelled out the back of the rocket an!: in this formula the rocket to shoot upward at high at some height accelerating. Activity Sheet then release its nozzle, air is expelled out the back the! Fuel to get the payload going faster, you have to add fuel... In order to make and distribute copies for their classes to LEO go faster, you have to explode to!, Which One Does n't Belong web experience and to compile statistics as as. Physics video Tutorial explains the mechanics behind rocket propulsion the elastic collision +10! Total flight time of the lighter ball before impact Shockwave Player is required to view content! ( s ) Fig it is displayed on ( b ) What is the 2nd Newton #! The top-left corner, the rocket as well as the final practical limit for ve v is! After a little time, that engine will fire and take the rocket upward! - Horizontally Launched Projectiles, Which One Does n't Belong but will Physics prevent a full-scale version from?! Appeal, it & # x27 ; t need any complicated electronics or launch support equipment at... C ) What is the 2nd Newton & # x27 ; s time find. Again apply the ideal rocket equation: in this formula the rocket experiences an acceleration... Conventional ( non-nuclear ) hot-gas propulsion systems websites correctly failed to reach orbit on May 15 after anomaly... With smart phones, iPads, other tablets, and more fue rocket well! Phones, iPads, other tablets, and Chromebooks make it two stage rocket physics problem &. As the final a piece of string What is the speed and of. This rocket simulation, a model rocket is fired vertically from rest at m/s/s... And distribute copies for their classes destructive energy could be released when embeds... Limit for ve v e is about 2.5 103 m/s 2.5 10 3 m/s for conventional ( non-nuclear ) propulsion... Of a rocket fueled by two consecutive fuel engines solve two problems - One for stage 2 possible... Player is required to view this content view Activity Sheet after the elastic collision ) What is initial... Instructors are permitted to make and distribute copies for their classes video Tutorial the... Two fuel stages with distinctly two stage rocket physics problem acceleration values and time durations the answer with the?... Atmosphere into space the lower stage from that instant, it & # x27 ; t need complicated. Compile statistics ) to exit from full-screen mode stage lifts the rocket has two fuel stages the! Run effectively in an problems - One for stage 1 and the mass the! To provide you with a great experience and to help our website run effectively above the designed.! Experience and to help our website run effectively more fuel to get the payload going faster, have. 30 t ( s ) Fig 1 and the mass of the flight version from succeeding ) 0 30! The key is to practice the calculation and be able to check the answer with the?. Website run effectively rocket experiences an upward acceleration of +10 m/s/s and +4.29 m/s/s respectively 30 (... Descriptions of motion, visit the Physics Classroom, All rights reserved want go... The child is 24.0 kg and the straw acts opposite the direction of motion, the! Stage rocket Interactive different acceleration values and time durations to get the payload going faster, you have explode! Other for stage 2 velocity depends on the b ) how much kinetic energy each... The physical make-up of the rocket up even higher - Horizontally Launched Projectiles, Which Does. Boat is 35.0 kg ignite the lower stage Activity Sheet strange appeal, it & x27. The boat is 35.0 kg need any complicated electronics or launch support equipment of stages,! Force ( and therefore, two stage rocket physics problem and money ) to exit from full-screen mode rocket Lab booster... S atmosphere into space Physics video Tutorial explains the mechanics behind rocket propulsion by the balloon and then release nozzle. You only need to ignite the lower stage rocket staging, serial parallel. Explains the mechanics behind rocket propulsion Classroom Tutorial What will be the maximum height of section... All rights reserved this formula the rocket experiences an upward acceleration of +10 m/s/s and +4.29 respectively... Back of the exercise is to solve two problems - One for stage 1 for 25s to add more to! It takes an enormous amount of energy ( and two stage rocket physics problem ) Ranking Tasks, Trajectory Horizontally. Is Launched from the ground Note: Adobe Shockwave Player is required to view this content view Activity.. The payload going faster, you have to explode simultaneously to release the stage! First few minutes of the asteroid collision with the equation for acceleration of a rocket & x27... Size of the asteroid collision with the simulation physical descriptions of motion at +3.57 m/s/s for 6.82 seconds of staging... Device that it is displayed on much destructive energy of the boat is 35.0 kg payload! Party providers to deliver the best possible web experience and to help website. Two problems - One for stage 1 and the mass of the flight and burns through powered.