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2. A ball of mass 5.4+0.1g is fired horizontally from a projectile launcher with an initial speed
v=305.5 cm/s. The ball strikes and becomes embedded into a ballistic pendulum arm that
swings to a heighth above its rest position. Calculate the mass of the ballistic pendulum arm if
h=3.5 cm.
Transcribed Image Text:2. A ball of mass 5.4+0.1g is fired horizontally from a projectile launcher with an initial speed v=305.5 cm/s. The ball strikes and becomes embedded into a ballistic pendulum arm that swings to a heighth above its rest position. Calculate the mass of the ballistic pendulum arm if h=3.5 cm.
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