7.5 | Calculate the work done by an 85.0-kg man who pushes a crate 4.00 m up along a ramp that makes
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7.6 | How much work is done by the boy pulling his sister 30.0 m in a wagon as shown in Figure 7.35?
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7.3 | Calculate the work done on a 1500-kg elevator car by its cable to lift it 40.0 m at constant
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7.8 | Suppose the ski patrol lowers a rescue sled and victim, having a total mass of 90.0 kg, down a
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7.7 | A shopper pushes a grocery cart 20.0 m at constant speed on level ground, against a 35.0 N
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9.17 | To get up on the roof, a person (mass 70.0 kg) places a 6.00-m aluminum ladder (mass 10.0 kg)
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4.42 | A 76.0-kg person is being pulled away from a burning building as shown in Figure 4.40.
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10.3 | You have a grindstone (a disk) that is 90.0 kg, has a 0.340-m radius, and is turning at 90.0
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7.24 | A 60.0-kg skier with an initial speed of 12.0 m/s coasts up a 2.50-m-high rise as shown in
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Centripetal Force Physics Problems - Calculate Tension & Maximum Speed - Uniform Circular Motion
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