Two particles of same mass 'm' moving wi...

Two particles of same mass 'm' moving with velocities `vecv_1= vhati, and vecv_2 = (v/2)hati + (v/2)hatj`collide in-elastically. Find the loss in kinetic energy

`(mv^2)/8`

`5(mv^2)/8`

`(mv^2)/4`

`3(mv^2)/8`

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