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A rocket is initially at rest at ground level. It then accelerates vertically upwards

from rest with a constant acceleration of 18 metres per second per second. Calculate

(a)The time the rocket takes to reach an altitude of 900 metres.Ā 

(b)The velocity of the rocket when its height is 2000 metres.

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

An object is initially at rest and accelerates to a speed of 90 metres per second in a

distance of 500 metres. Calculate the time the object spends accelerating and

the acceleration.

An object of mass 100 kilograms is initially at rest on the ground. A crane lifts

the object to a height of 15 metres in 8 seconds. When the object is 15 metres

above the ground, it is moving upwards with a velocity of 0.2m/s

Calculate

(a) The total mechanical energy of the object when it is 15 metres above the

ground.Ā 

(b) The average power of the crane.

a rocket initially at rest on the ground

Ā 

Ques:

A rocket initially at rest on the ground, accelerates straight upward from rest with constant acceleration 29.4 m/s2. The acceleration period lasts from time 8.00 s until the fuel is exhausted. After that the rocket is in free fall.

Find the maximum height ymax reached by the rocket. Ignore air resistance and assume a constant acceleration due to gravity equal to 9.8 m/s2

Write your answer numerically in units of meters

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