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The velocity of a 150 kg cart changes from 6.0 m/s to 14.0 m/s. What is the magnitude of the impulse that acted on it? (Points : 1) 900 kgm/s 1,200 kgm/s 3,000 kgm/s 2,100 kgm/s
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Jun 6, 2019
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The velocity of a 150 kg cart changes from 6.0 m/s to 14.0 m/s. What is the magnitude of the impulse that acted on it?
(Points : 1)
900 kgm/s
1,200 kgm/s
3,000 kgm/s
2,100 kgm/s
Mathematics
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Matthew Daly
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An impulse is the change in momentum. Momentum is mass times velocity. Because the mass does not change, a change in velocity is what creates an impulse. (14.0 m/s - 6.0 m/s) = 8.0 m/s. (150 kg)x(8.0 m/s) = 1200 kgm/s.
Vikramsjn
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Jun 11, 2019
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