A ceiling fan with 80-diameter blades is turning at 68., Ask an Expert

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Q. A cylinder is rolling on the ground without slipping at 7m/s. It comes to a hill and begins going up. Assume no losses to friction, how high vertically would it go before it stops?

Q. A ceiling fan with 80-diameter blades is turning at 68. Suppose the fan coasts to a stop 27 after being turned off. What is the speed of the tip of the blade 10 after the fan is turned off?

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