Physics, 21.05.2020 01:05 AlaskaAirlines
A rigid uniform rod of length 90.0 cm and mass 35.0 kg laying on a horizontal frictionless surface is free to rotate on that surface about an axle through its center. A small puck slides into it at an angle of 90 degrees to its surface at a distance of 30.0 cm from the pivot point at a speed of 20.0 m/s. It rebounds with a speed of 16.0 m/s along the same line. If the angular speed of the rod immediately after the collision is 1.14 rad/s, what was the mass of the puck
Answers: 2
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A rigid uniform rod of length 90.0 cm and mass 35.0 kg laying on a horizontal frictionless surface i...
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