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ascends with a constant vertical acceleration of +20m/s² for 80s. Its fuel is then all used, and it

Classical Dynamics of Particles and Systems

5th Edition

ISBN:9780534408961

Author:Stephen T. Thornton, Jerry B. Marion

Publisher:Stephen T. Thornton, Jerry B. Marion

Chapter2: Newtonian Mechanics-single Particle

Section: Chapter Questions

Problem 2.6P: In the blizzard of ’88, a rancher was forced to drop hay bales from an airplane to feed her cattle....

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Question

Good day Maam/Sir, I hope u can answer this problem. thank u so much (Physics - Mechanics)

Vertical Motion (y-axis)
v = vo + gt
y – Yo = vot + (G gt
y - yo
2g(y – yo) = v² – vo²
1
(v + vo)t
-
y – yo
|
2.
8. A rocket is fired vertically and
ascends with a constant vertical
acceleration of +20m/s² for 80s.
Its fuel is then all used, and it
upward.
resistance can be neglected.
continues
Air
a.) What is its altitude 80 s after
launching?
b.) How long does it take to
reach its maximum altitude?
c.) What is this
maximum
altitude?

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