Momentum and CollisionHardBloom L3
Question
A body of mass 4 kg is acted on by a force which varies as shown in the graph below. The momentum acquired is
Options
A.280 N–s
B.140 N–s
C.70 N–s
D.210 N–s
Solution
Sol. Momentum acquired = Area (∆↑)= 5 × 10 + $\frac{1}{2}$×4×10 = 50 + 20 =70 N-s
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