A rocket, initially at rest on the ground, accelerates straight upward with a constant acceleration of 50.0 m/s², until the fuel is used up after 6.70 s. What is the speed of the rocket at that moment? (Neglect air resistance.)

A rocket, initially at rest on the ground, accelerates straight upward with a constant acceleration of 50.0 m/s², until the fuel is used up after 6.70 s. What is the speed of the rocket at that moment? (Neglect air resistance.)

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 3.7CYU: Check Your Understanding A chunk of ice beaks off a glacier and falls 30.0 m before it hits the...

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Question

A rocket, initially at rest on the ground, accelerates straight
upward with a constant acceleration of 50.0 m/s², until the fuel
is used up after 6.70 s. What is the speed of the rocket at that
moment? (Neglect air resistance.)
From the time the fuel runs out, how long does it take for
the rocket to reach its maximum height? (Use g = 9.8 m/s²)
What is the speed of the rocket when it hits the ground?

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