Question

How to solve 22 question?

Answer 1

initial velocity,u=0m/s final velocity,v=72km/h=20m/s distance traveled,s=100m From III Eq. Of motion, 2as=v^2-u^2 2*a*100=(20)^2-(0)^2 200a=400 a=2ms^-2 We know that, F=ma=500*2=1000N