Question

a A student writes the following statement in his summary notes: Acceleration is the rate of change of speed. Explain why this statement is wrong.i Explain what is meant by deceleration. ii State the unit for deceleration.

Answer 1

Acceleration is the rate of change of the velocity! of an object with respect to time.

i. Deceleration is a decrease of the velocity over time

ii. $m/s^2$