Question

A rocket starts from rest and accelerates at a uniform rate of 190 m/s2 for 2.4 seconds. What is its final velocity?

Answer 1

Answer:

at initial rocket is at rest so

initial velocity = 0 m/s

a = 192 m/ s²

v = u + at

v = 0 + 192 × 2.4

v = 460 m/s

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Answer 2

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