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A 1kg mass moving at 5m/s makes a Center line collision with 7 kg mass initially...

A 1kg mass moving at 5m/s makes a Center line collision with 7 kg mass initially at rest. if the collision is elastic derive the speed of 1kg mass after the collision. What fraction of the total kinetic energy is transfered to the 7kg mass?
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callision ৫ e iven प्प हित्रा=प्प P=m,u,t mlo) Pe-m,u PhIXS ED 5 P:-5 K-ms Alten Hae lallisian mi V4 +X ELT7 V Deqn promen2-1-V) 4- e- tv elasttc callision(e-) fon Pean 4 Salue eqr and egy V, 1.25 m/s N4I 3.75 ms Speed of 1kg atten Hae callision fTDtal kinetic Cuegy lkfetat m, 4 25 t0 12.5 J Toral KE of 7 K9 mass fs KELO5 KE=5.468 J letls fration fs toanten (KE)oal 5i46

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