(II) Billiard ball A of mass mA =0.120 kg moving with

Chapter 7, Problem 44P

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Problem 44P

(II) Billiard ball A of mass mA =0.120 kg moving with Speed vA =2.80 m/s strikes ball B, initially at rest, of Mass mB =0.140 kg. As a result of the collision, ball A is deflected off at an angle of 30.0° with a speed v’A =2.10 m/s. (a) Taking the x axis to be the original direction of motion of ball A, write down the equations expressing the conservation of momentum for the components in the x and y directions separately. (b) Solve these equations for the speed, v’B, and angle, Θ’B, of ball B after the collision. Do not assume the collision is elastic.

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