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A billiard ball moving horizontally, labeled 1, strikes another billiard ball at rest, labeled 2. Before...

A billiard ball moving horizontally, labeled 1, strikes another billiard ball at rest, labeled 2. Before impact, ball 1 was moving at a speed of 2.60 m/s, and after impact it is moving at 0.40 m/s at 55° counterclockwise from the direction of the initial velocity. If the two balls have equal masses of 160 g, what is the velocity of ball 2 after the impact? (Assume ball 1 initially moves along the +x-axis. Enter the magnitude in m/s and the direction in degrees counterclockwise from the +x-axis.)

magnitude m/s

direction ° counterclockwise from the +x-axis

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Answer #1

Find the final velocity of the second ball after collision using conservation of linear momentum for two dimensional motion and properties of vector addition as shown below

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