Q20 of 42 Page 33

The velocity of a body of mass 2 kg as a function of t is given by v(t) = 2t î + t2 j. Find the momentum and the force acting on it, at time t= 2s.

we have mass m=2kg and

V at 2 sec,


So momentum at 2 sec p (2) =mv (2)



Now



So force then



Hence momentum and force at 2 sec will be and respectively.


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