A 235 kg rocket sled experiences a thrust of 752 N while it travels 120 m across a virtually frictionless (assume frictionless) surface. (a) Using Newton's Second Law of Motion, calculate the acceleration of the rocket sled. If the rocket sled was initially moving 20 m/s, how fast was it moving at the end of the 120 m? (b) Find the answer using kinematic equations. (c) If the rocket sled was initially moving 20 m/s, what was its initial translational kinetic energy? (d) How much work was done on the rocket sled by its thruster? (e) What is the final kinetic energy of the rocket sled?

College Physics
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Chapter1: Units, Trigonometry. And Vectors
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A 235 kg rocket sled experiences a thrust of 752 N while it travels 120 m across a virtually frictionless (assume frictionless) surface.  (a) Using Newton's Second Law of Motion, calculate the acceleration of the rocket sled.  If the rocket sled was initially moving 20 m/s, how fast was it moving at the end of the 120 m?  (b) Find the answer using kinematic equations.  (c) If the rocket sled was initially moving 20 m/s, what was its initial translational kinetic energy?  (d)  How much work was done on the rocket sled by its thruster?  (e)  What is the final kinetic energy of the rocket sled?

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