Arocket initially at rest on the ground lifts off vertically with a constant acceleration of 2.0 ã 101 meters per second2 . how long will it take the rocket to reach an altitude of 9.0 ã 103 meters?

Time taken, t = 30 seconds

Explanation:

It is given that,

Initial speed of the rocket, u = 0

It is lifted with a constant acceleration of,

Height to be attained,

Let t is the time taken by the rocket to reach an altitude of . Using the second equation of kinematics to find it as :

t = 30 seconds

So, the time taken by the rocket to reach given height is 30 seconds. Hence, this is the required solution.

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