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Physics, 06.05.2020 04:31 norinashanleyc

We want to slide a 12 kg crate up a 2.5 m long ramp inclined at 30o. A worker, ignoring friction, calculates that he can do this by giving it an initial speed of 5.0 m/s at the bottom and letting it go. But friction is not negligible; the crateslides only 1.6 m up the ramp, stops, and slides back down.

Find the magnitude of the friction force acting on the crate, assuming that it is constant.

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We want to slide a 12 kg crate up a 2.5 m long ramp inclined at 30o. A worker, ignoring friction, ca...

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