An object of mass \( 80 \mathrm{~kg} \) moving with velocity \( 2 \...

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An object of mass \( 80 \mathrm{~kg} \) moving with velocity \( 2 \mathrm{~ms}^{-1} \) hit by collides with another object of mass \( 20 \mathrm{~kg} \) moving with velocity \( 4 \mathrm{~ms}^{-1} \). Find the loss
\( \mathrm{P} \) of energy assuming a perfectly inelastic collision

W
(1) \( 12 \mathrm{~J} \)
(2) \( 24 \mathrm{~J} \)
(3) \( 30 \mathrm{~J} \)
(4) \( 32 \mathrm{~J} \)
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