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Question Number 183036 by Mastermind last updated on 18/Dec/22
Abulletofmass1kgisfiredandgetembeddedintoablockofwoodofmass1kginitiallyatrestthevelocityofthebulletbeforecollisionis90m/s1)Whatisthevelocityofthesystemaftercollision?2)Calculatethekineticenergybeforeandafterthecollision.3)Howmuchenergyislostincollision?
Answered by mr W last updated on 19/Dec/22
1)1×901+1=45m/s2)KE1=1×9022KE2=(1+1)×45223)ΔKE=1×9022−(1+1)×4522
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