Question

express 1 km/h into m/s

Answer 1

A body moving along a straight line at 20 m/s decelerates at the

rate of 4 m/s2

. After 2 seconds its speed will be equal to

Answer 2

Answer:

Explanation:

1km/h=1000m/3600s

So,1kn/h=(5/18)m/s, hope you understood.