Question

A 0.477 kg puck, initially at rest on a horizon- tal, frictionless surface, is struck by...

A 0.477 kg puck, initially at rest on a horizon-
tal, frictionless surface, is struck by a 0.22 kg
puck moving initially along the x axis with
a speed of 2.5 m/s. After the collision, the
0.22 kg puck has a speed of 1.5 m/s at an
angle of 38◦ to the positive x axis.
Determine the magnitude of the velocity of
the 0.477 kg puck after the collision.

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