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[" 1) "10ms^(-1)" 2) "5ms^(-1)" 3) "15ms...

[" 1) "10ms^(-1)" 2) "5ms^(-1)" 3) "15ms^(-1)4" ) "0.10ms^(-1)],[" he "1f^(2)" .A block of mass "1kg" moving with a speed "],[" if "4ms^(-1)" ,collides with another block of "],[" mass "2kg" which is at rest.The lighter "],[" block comes to rest after collision.The "],[" loss in "KE" of the system is "],[[" 1) "8J," 2) "4times10^(-7)J," 3) "4J," 4) "0J]]

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