Physics, 20.02.2021 09:20 witerose701
A 19kg (object A) football was thrown at 12m/s and collided elastically with an 11 kg baseball (object B) traveling 18 m/s in the opposite direction. Find the final velocities of the football and the softball after the collision.
Answers: 2
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Infrared rays have a shorter wavelength than question 11 options: x-rays. ultraviolet rays. radio waves. gamma rays.
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Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?
Answers: 1
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