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SCAN0015

# SCAN0015 - 4(10 points A bicycle wheel with a mass of 2.5...

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Unformatted text preview: 4. (10 points) A bicycle wheel with a mass of 2.5 kg and a radius of 33 cm rolls across a horizontal ﬂoor with a translational speed of 1.5 m/s. The bicycle wheel then commences rolling up a 30 degree ramp. How far up the ramp will it go before stopping? 1(wheel) = MR2 5 2 ‘ ___. 1’sz Uflw «émvz;lgmfzé\7rjiaﬁ 5. A 100 kg man is three fourths of the way up a 10 m ladder that is resting against a smooth frictionless wall. The ladder has a mass of 25 kg and makes an angle of 60 degrees with the ground. a. (5 points) What is the normal force of the wall on the ladder? b. (5 points) What is the normal force of the ﬂoor on the ladder? ...
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