5.If a cyclist pedalling at a speed of 5m/s picks up a speed of 10m/s over a distance of 50m,then his acceleration is

solution:

Given information,

u=5m/s

v=10m/s

s=50m

v2-u2=2as

100-25=2*a*s

75=2*a*50

75=100a

a=0.75m/s2

The acceleration of the body is 0.75m/s2