A wooden block of mass 10 gm is
dropped from the top of a tower 100 m
high. Simultaneously, a bullet of mass
10 gm is fired from the foot of the tower
vertically upwards with a velocity of
100 m/sec. If the bullet is embedded in
it, how high will it rise above the tower
before it starts falling? (Consider g =
10 m/sec^2 )
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