Question

How long does it take a racehorse to accelerate from rest to a speed of 15 m/s with an acceleration of 3.0 m/s2?

A. 3.0 s
B. 12 s
C. 60 s
D. 5.0 s

Answer 1

It would take 5.0 s for a racehorse to accelerate from rest

Answer 2

It would take 5.0 s for a racehorse to accelerate from rest to a speed of 15 m/s with an acceleration of 3.0 m/s.

Take 15 / 3.0 to get your answer of D. 5.0 s

Hope that helps u out!