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Lyrx [107]
3 years ago
6

Two coils of wire are placed close together. Initially, a current of 1.80 A exists in one of the coils, but there is no current

in the other. The current is then switched off in a time of 4.02 x 10-2 s. During this time, the average emf induced in the other coil is 4.38 V. What is the mutual inductance of the two-coil system?

Physics
2 answers:
sattari [20]3 years ago
8 0

Answer: the mutual inductance is - 0.0978H

Explanation:

Detailed explanation and calculation is shown in the image below

STatiana [176]3 years ago
6 0

Answer:

M = 0.1H

Explanation:

Please see attachment below.

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A ball traveling at 15 m/s hits a bat with a force of 200N. How much force does the bat (moving at 20m/s)
just olya [345]

Answer:

200 N

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A ball traveling at 15 m/s hits a bat with a force of 200 N.

We need to find the force that the bat moving at 20 m/s hit the ball with.

We know that, this probelm is based on Newton's third law of motion. The force that the ball exerting on bat should be equal to the force that the bat exerting in the ball but in opposite direction.

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8 0
3 years ago
Two 5.0 kilogram objects have different gravitational potential energies. What property of the objects must differ?
ipn [44]

Answer:

Height.

Explanation:

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