A train travels 100 km east and then 75 km west. What is the magnitude of
its displacement?
1 answer:
Answer:
displacement = 100 - 75 = 25 km east
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Answer:
KE = 32,000J
v = 8m/s
Explanation:
KE = .5*m*v²
KE = .5*4000kg*(4m/s)²
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32,000J = .5*1000kg*v²
v² = 64
v = 8m/s
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Answer:
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Explanation:
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