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41 point total
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Problem #1- 2 points
A moving car has momentum. If it moves twice as fast, its momentum is twice as much.
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Problem #1- 2 points
A moving car has momentum. If it moves twice as fast, its momentum is twice as much.
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Problem #2- 2 points
Two cars, one twice as heavy as the other, move down a hill at the same speed. Compared to the lighter car, the momentum of the heavier car is twice as much.
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Problem #2- 2 points
Two cars, one twice as heavy as the other, move down a hill at the same speed. Compared to the lighter car, the momentum of the heavier car is twice as much.
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Problem 3
Each part 3 points each
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278.07 kg 403 kg10 m/sec 6.9 m/sec
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322 kg 483 kg15 m/sec 10 m/sec
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598 kg 44.85 kg2.7 m/sec 36 m/sec
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162 kg 486 kg10.5 m/sec 3.5 m/sec
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Problem 4
5 points
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Let X = momentum X = mv X = 2 kg X 2.8 m/sec X = 5.6 kg · m/sec
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Problem 5
10 points
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Let X = momentum X = mv X = 1000 kg X 1 m/sec X = 1000 kg · m/sec
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Let X = momentum X = mv X = 70 kg X 8 m/sec X = 560 kg · m/sec
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Problem 6
5 points
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Let X = momentum X = mv X = 3500 kg X 2.36 m/sec X = 8260 kg · m/sec
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Problem 7
5 points
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Let X = momentum X = mv X = 66.8 kg X 23.5 m/sec X = 1569.8 kg · m/sec