Question

What is the acceleration of a bicycle that goes from 120 m/ s to 100 m/s in 2 seconds ?

Answer 1

-10 m/s²

Explanation:

(100 m/s - 120 m/s)/(2 s) = (-20 m/s)/(2 s) = -10 m/s²

A negative acceleration means the bicycle is slowing down.