Question

guys please help me to solve the problem.....​

Answer 1

A constant force F is applied to a body of mass m moving with initial velocity u. If after the body undergoes a displacement S, it's velocity becomes v, then the total work done is :—

$\frac{m}{2 \:} ( {v}^{2} - {u}^{2} )$

hope it helps !!

therefore option 3

Answer 2

Explanation:

work done =change in K.E.