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deff fn [24]
3 years ago
6

By riding an elevator up 200 m, a person’s GPE increases by 164,000 J. What is  the person’s mass?

Physics
1 answer:
Andrew [12]3 years ago
5 0

Answer:

Person’s mass M = 83.67 kg (Approx.)

Explanation:

Given:

Gravitational potential energy = 164,000 J

Height = 200 m

Find:

Person’s mass M

Computation:

Gravitational acceleration g = 9.8 m/s²

Gravitational potential energy = mgh

164,000 = (m)(9.8)(200)

Person’s mass M = 83.67 kg (Approx.)

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An inductor has inductance of 0.260 H and carries a current that is decreasing at a uniform rate of 18.0 mA/s.
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Answer:

The self-induced emf in this inductor is 4.68 mV.

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