2 years ago

Does dropping a magnet down a copper tube produce a current in the tube? explain your answer.

1 answer:

3 0

Answer:

The current generated in the pipe by the falling magnet is induced where the magnetic field is changing, which is only close to the magnet. Try slitting the pipe lengthwise along one side.

Explanation:

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If the swimmer could cross a 14 km channel maintaining the same average velocity as for the first 50 m in the pool, how long wou

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Complete question:

If the swimmer could cross a 14 km channel maintaining the same average velocity as for the first 50 m in the pool, how long would it take?

For the first 50m in the pool, the average velocity was 2.08 m/s

Answer:

It would take for the swimmer approximately 1.87 hours.

Explanation:

If the swimmer maintains the average velocity on the channel, we should find and approximate value of the time it takes to cross the channel with the Galileo’s kinematic equation:

$x=vt$

With x the displacement, v the average velocity and t the time, solving for t:

$t=\frac{x}{v}=\frac{14000m}{2.08\frac{m}{s}}$

$t=6730.7 s= 1.87 h$

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