A body of mass 5 kg is moving with velocity of v = (2i +6j) m/s at t = 0 s. After time t = 2 s, velocity or body
(10i +6j), then change in momentum of body is
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Answer:
Initial momentum is mv1= 5 (2i+6j)
=10i+30j
Final momentum is mv2 = 5( 10i+6j)
=50i+30j
Therefore change in momentum is 50i+30j-10i-30j
=40i
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