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Problem: The electric motor of a model train accelerates the train from rest to 0.620 m/s in 21.0 ms. The total mass of the train is 875 g.(a) Find the minimum power delivered to the train by electrical transmission from the metal rails during the acceleration.(b) Why is it the minimum power?

FREE Expert Solution
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FREE Expert Solution

Power is the rate of doing work and is given by:

P=Wt

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Problem Details

The electric motor of a model train accelerates the train from rest to 0.620 m/s in 21.0 ms. The total mass of the train is 875 g.

(a) Find the minimum power delivered to the train by electrical transmission from the metal rails during the acceleration.
(b) Why is it the minimum power?

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Based on our data, we think this problem is relevant for Professor Dinsmore's class at LU.

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Our data indicates that this problem or a close variation was asked in Physics for Scientists and Engineers - Serway Calc 9th Edition. You can also practice Physics for Scientists and Engineers - Serway Calc 9th Edition practice problems.