3 years ago

In a closed system that has 85 J of mechanical energy, the gravitational

2 answers:

7 0

Answer:

C- it decrease from 85 J to 76 J because it has 85 J mechanical energy. The pulley decreases from 12 J to 9 J which means it lowers by 12. And it lowers by 3.

Explanation:

That's the answer.

Yuliya22 [10]3 years ago

7 0

Answer:

D. It increases from 73 to 76.

Explanation:

Ap3x 2020.

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lisov135 [29]

Answer:

Maximum emf in the coil is 100 volt

Explanation:

We have given number of loops in the coil N = 50

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Maximum emf in the coil is given by $e=NBA\omega$

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So maximum emf induced in the coil is 100 volt

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How do I solve this question the answer I should get is C

prisoha [69]

Your right. It's C. This question is difficult

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3. heat and pressure

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