A bucket of water of mass 2.5 kg is swung at arm's length so that it makes a vertical circle of radius 1.25 m. Its speed is 4.0 m/s at the top of the swing from where it swings freely to the low point of its circle. The kinetic energy and potential energy the top of the swing respectively are

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A: If a person slides on frictionless surface then it's total energy must be constant

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Q: 7.11 • You are testing a new amusement park roller coaster with an empty car of mass 120 kg. One…

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A: Mass , m = 100 gm = 0.1 kg h = 4.25 m To find = a) radius of circular loop                 b) For h…

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A: m = 4 kg R = 17 cm h = 6R

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A: The below figure represents the positions of the roller coaster .

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A: Given data: Mass , m = 100 gm = 0.1 kg Height h = 4.25 m

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