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Marizza181 [45]

3 years ago

5

If you were blindfolded and heard a siren going off and could tell that the pitch was dropping, which way could you safely assum

e that the siren was moving?
Pick all that apply.

A: It's moving towards you

B: It isn't moving at all

C: It's moving away from you

2 answers:

Rufina [12.5K]3 years ago

4 0

The right answer is c

astra-53 [7]3 years ago

3 0

The correct answer is C

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Explain how the potential energy of two charged particles depends on the distance between the charged particles and on the magni

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Answer:

According to Coulomb's Law, the potential energy of two charged particles is directly proportional to the product of the two charges and inversely proportional to the distance between the charges

Explanation:

According to Coulomb's Law, the potential energy of two charged particles is directly proportional to the product of the two charges and inversely proportional to the distance between the charges. Since the potential energy of two charged particles is directly proportional to the product of the two charges, its magnitude increases as the charges of the particles increases. For like charges, the potential energy is positive(the product of the two alike charges must be positive) and since potential energy is inversely proportional to the distance between the charges therefore it decreases as the particles get farther apart . For opposite charges, the potential energy is negative(the product of the two opposite charges must be negative) and since potential energy is inversely proportional to the distance between the two charges, it becomes more negative as the particles get closer together.

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What is the kinetic energy of a 7.56 kg bowling ball that is rolling at a speed of 2 m/s ?

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Answer:

K.E=?

Mass=7.56 kg

Velocity=2m/s

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