Question

What is the acceleration of an object if it goes from a velocity of 25 m/s to rest in 5.0 s?
a.–5 m/s2b. 5 m/s2c.–25 m/s2d. 25 m/s2

Answer 1

Acceleration = v/ t = - 25/5 = - 5 m/s^2 . Minus because object is deaccelerating. A is the correct answer.