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19:46 Sat 14 May
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12. A baseball of mass m leaves a pitching machine of mass M (where M
includes the mass of the ball m) with a speed v. The recoil speed of the machine
after shooting the baseball is ..
2mv
mv
2mv
b)
M+m
c)
d)
М-т
a)
М +т
М- т
13. In an inelastic collision involving two interacting objects, the final kinetic energy

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