3 years ago

What are 3 types of frictions and when does each apply/9029244/29edc63f?utm_source=registration

1 answer:

5 0

- Static friction: when an object is not moving
- Kinetic friction: if an object is moving
- Rolling friction: when there is rolling (wheel,..)

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A certain superconducting magnet in the form of a solenoid of length 0.56 m can generate a magnetic field of 6.5 T in its core w

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Answer:

The value is $N =36203 \ turns$

Explanation:

From the question we are told that

The length of the solenoid is $l = 0.56 \ m$

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The current is $I = 80 \ A$

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Generally the magnetic field is mathematically represented as

$B = \frac{\mu_o * N * I }{L }$

=> $N = \frac{B * L }{\mu_o * I }$

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If it takes you 20 joules of work to move a couch 10 meters in 10 seconds, what is the power?

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Power = 2 j/s

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2 years ago

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