1.

A block of mass 0.50 kg is moving with a speed of 2.00 m/son a smooth surface. It strikes another mass of 1.00 kg and then they move together as a single body. The energy loss during the collision is

Answer»

0.16
1.00J
0.67 J
0.34 J

Solution :`m_(1)4_(1)+m_(2)4_(2)=(m_(1)+m_(2))VimpliesV=2/3ms^(-1)`
ENERGY LOSS `=1/2=0.5xx2^(2)-1/2xx1.5xx(2/3)^(2)=0.67J`


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