Questions
If two balls, each of mass 0.06 kg, moving in opposite directions with speed 4 m/s, collide and rebound with the same speed, then the impulse imparted to each ball due to other is
detailed solution
Correct option is A
The balls exchange velocity on collision initial momentum of each ball before collision=mv=0⋅06×4=0⋅24kg−m/s Final momentum of each ball after collision =m(−v)=0⋅06×(−4)=−0⋅24kg⋅m/s ∴ change in momentum = Initial momentum - Final momentum =0⋅24−(−0⋅24)=0⋅48kg−m/sTalk to our academic expert!
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A ball of mass m is released from the top of an inclined plane of inclination as shown in figure. It strikes a rigid surface at a distances from top elastically. Impulse imparted to ball by the rigid
surface is
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