How does the velocity compare with each othher when the surface changed?

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asked May 2, 2018 93.8k views

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Shylajhaa · Answer 1 · 2018-05-06T23:53:50+0000

Velocity decreases across a rough surface due to friction; vice-versa, on a slippery surface (a smooth surface, or one lubricated by oil or soap), the friction decreases, which in turn increases the velocity.

How does the velocity compare with each othher when the surface changed?

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