Physics

Physics, 29.12.2020 05:00, ABrabbit732

How do we move in space without any friction?

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Physics, 22.06.2019 13:00, help1572

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?

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Physics, 22.06.2019 18:30, Jasten

Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.

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Area around a charged object where the objects can exert a force on another charged objects is an electric

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Physics, 22.06.2019 21:20, awgggg

Would it be correct to say the doppler effect is the apparent change in the speed of a wave due to the motion of the source? be sure to fully explain your position using at least 3 complete content related sentences.

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