If a magnet repels a metal object what can you say about the pole of the magnet and the pole of the object?

a. the poles are opposite.
b. the poles change.
c. the poles are not charged.
d. the poles are the same.

The correct answer is option D. The poles are the same.

Explanation:

Hello!

Let's solve this!

For an object to be attracted to a magnet, the charges must be opposite. But when, otherwise, they repel, it means that the charges (the poles) are the same.

In this case we conclude that the correct answer is option D. The poles are the same.

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when jerome paddle in flowing river towards east the net speed of jerome will increase

so the net speed of jerome will be given as

now the speed of paul will be same as it is given as he is running on the ground

so

so here we can say since the speed of jerome is more so he will win the race

now as we know the distance so the time difference is given as

so jerome will reach first and the time difference will be 203.55 s or 3.4 min