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Physics, 17.04.2021 22:00 j015

A 14.5 kg wheelbarrow starts at the bottom of an incline traveling at a speed of 19.4 m/s. The wheelbarrow then goes up a grassy incline with friction a distance of 6.7m and decreases speed to 9.5 m/s. the height of the incline is 0.8m. what is the magnitude of the frictional force exerted on the wheelbarrow?

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