A sandbag in outer space moves at 3 m/s and collides and sticks to a h – McqOptions

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1.	A sandbag in outer space moves at 3 m/s and collides and sticks to a half-as-massive sandbag initially at rest. Compared to the kinetic energy of the moving bag before collision, the kinetic energy of the coupled bags after collision is ?
A.	one third
B.	two thirds
C.	three quarters
D.	not enough information to say.
Answer» C. three quarters

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