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raketka [301]
2 years ago
9

A capacitor is constructed of two large, identical, parallel metal plates separated by a small distance d

Physics
1 answer:
yawa3891 [41]2 years ago
4 0
I think its true i dont kno for sure
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If 175 kJ of heat caused a chunk of ice at 0°C to melt to liquid water at 0°C, how many moles were in the ice? How many grams of
elena55 [62]

Answer is 29.1 mol or 525 g

Explanation:

8 0
2 years ago
Two people carry a heavy object by placing it on a board that is 2.2 meters long. One person lifts with a force of 750 N at one
stiks02 [169]

Answer:

This means that the center of mass is locates 0.72m from the 750N force

Explanation:

Since the board is 2.2m long, that will be the length of the board.

Let the center of mass of the body be hinged at the center using a knife edge as shown in the diagram attached.

Let x be the distance from the 750N force to the knife edge and the distance from the 360N force to the knife edge be 2.2-x

Using the principle of moment which states that the sum of clockwise moment is equal to the sum of anti clockwise moment.

Moment = force × perpendicular distance

For ACW moment;

Moment = 750×x = 750x

For the CW moment;

Moment = 360 × (2.2-x)

Moment = 792-360x

Equating ACW moment to the clockwise moment we have;

750x = 792-360x

750x+360x = 792

1110x = 792

x = 792/1110

x = 0.72m

This means that the center of mass is locates 0.72m from the 750N force

3 0
3 years ago
What is the kinetic energy of a 1200 kg object that is moving at a speed of 24m/s?
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Here, K.E. = 1/2 * mv²

So, K.E. = 1/2 * (1200) * (24)²

K.E. = 1/2 * 1200 * 576

K.E. = 600 * 576

K.E. = 345,600 J

Hope this helps!
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3 years ago
On a time line.
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Answer:

D

Explanation:

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2 years ago
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