Answered: A student launches a small rocket which…

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter3: Motion Along A Straight Line

Section: Chapter Questions

Problem 69P: A rescue helicopter is hovering over a person whose boat has sunk. One of the rescuers throws a life...

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A student launches a small rocket which starts from rest at ground level. At a height 1.74 km, the rocket reaches a speed of 251m/s. At that height, the rocket runs of fuel so there is nolonger any thrust propelling it. Take the positive direction to be upward.

a. assuming constant acceleration, what is the rocket's accerlation in m/s² during the period from its launch until it runs out of fuel?

b. afther the rocket's engine turns off at a height of 1.74km it continues to move upward due tothe velocity it reached. what is the rocket's acceleration in m/s² during the engine shutoff until it returns to the ground. Ignore aire resistance

c. calculate the maximum height, in meters, above groudn level that the rocket reaches

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