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shepuryov [24]
3 years ago
5

Which statement correctly describes the gravitational potential energy of the pendulum based on this diagram?

Physics
1 answer:
MrRa [10]3 years ago
8 0
I think it's 'C' but I won't know for sure until you let me see the diagram.
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A 142 kg boulder is located near the edge of a cliff 25 m above the ground. What is the gravitational potential energy of the bo
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PE = mass * height * 9.81
PE = 142 * 25 * 9.81
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Ciara is swinging a 0.015 kg ball tied to a string around her head in a flat, horizontal circle. The radius of the circle is 0.5
Marat540 [252]

Answer:

Option C

Explanation:

From the question we are told that:

Mass m=0.015kg

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Charge q is 1 unit of distance away from the source charge S. Charge p is four times further away. The force exerted between S a
zhenek [66]

The correct answer is:

sixteen times


In fact, the distance between charge q and the source S is 1 unit. Instead, the distance between charge p and the source S is 4 units. The magnitude of the electrostatic force is inversely proportional to the square of the distance between the charge and the source:

E \sim \frac{1}{r^2}

where r is the distance. If we take the force between q and S as reference, we have r=1, so that

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while the force between p and S is

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Therefore, we see that the force exerted between q and S is 16 times the force exerted between p and S.

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