### Which kinetic energy equals to rotational motion

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##### Reference no: EM134352

Question

A.)If puck has a radius of 2 cm, what is the ratio of angular to linear velocity for which kinetic energy of linear motion equals that of rotational motion? If your puck has segments of linear motion around 10 cm long, what alteration in angle would be observed for a rotation having the identical kinetic energy as the linear motion?

B.)If puck is spinning (rotating) while it collides with a wall, sketch qualitatively how that affects the trajectory. (There is friction between the puck and wall)

C.)Consider two identical pucks that undergo an elastic collision on a level air table. If one is stationary, plan a range of possible closing velocities for the two pucks. What determines which of possibilities occurs?

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