Answer to Question #312816 in Physics for ggggggg

Question

1. How long would it take Jesse with an acceleration of -2.50 m/s2 to bring his bicycle with an initial velocity of 13.5 m/s to a complete stop? 

Answer 1

The required time

$$\Delta t=\frac{\Delta v}{a}=\frac{0-13.5}{-2.50}=5.40\:\rm s$$