Question

The velocity of a body of mass 2 kg as a function of t is given by ū(t) = 2tî + t?ſ Find the
momentum and the force acting on it, at time t = 2 s.​

Answer 1

Explanation:

here m = 2kg

v(t)=2t^i+2t^j

t= 2s

At t=2s , a 2^i+4^i

F= 2( 2^i+4^i) = (4^i +8^i)N