Question

A body covers 30m and 40m during 10th and 15th second respectively. The acceleration and initial velocity of the body are?

Answer 1

V=S/T V=300m/10sec V=30m/sec S=V + a(t.t) 300m =30m/sec + a(10.10) 300m -30 m = a100 270m =a100 270m /100secsquar=a 2.7m/secsquar =a

Answer 2

2+2=5