Arocket initially at rest accelerates at a rate of 90 m/s 2 for 0.7 min. what is its speed at the end of this time? answer in units of m/s.

Final speed of the rocket, v = 3780 m/s

Explanation:

It is given that,

Initial speed of the rocket, u = 0 (at rest)

Acceleration of the rocket,

Time taken, t = 0.7 min = 42 s

We need to find the speed at the end of this time. It can be calculated using first equation of motion as :

v = 3780 m/s

So, the speed of the rocket at the end at the end of 0.7 minutes is 3780 m/s. Hence, this is the required solution.

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