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There is an elastic collision of two pucks (puck a and puckb)on a frictionless surface. Puck a moves horizontally at a speed of 4.0m/s and hits stationary puck b. After the collision puck a has a speed of 2.0m/s. Find the final speed Vb2 of puckb and the angles theta1 and theta2.
pucka mass=.500kg
puckb mass= .300kg
To Bounce a ping-pong ball into a cup at the other end of a table, what is the net force of the ball on the table
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