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vekshin1
2 years ago
15

What is the difference in PE

Physics
1 answer:
Blababa [14]2 years ago
3 0

Answer:

831.4 J

Explanation:

Info given:

mass adult: 82.5kg

mass child: 14.7kg

height of wall: 1.25m

g = 9.81m/s^2

PE = mgh

For adult:

mgh = (82.5kg)(9.81m/s^2)(1.25m) = 1011.65 J

For child:

mgh = (14.7kg)(9.81m/s^2)(1.25m) = 180.25 J

Difference in PE: 1011.65 J - 180.25 J = 831.4 J

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Answer:

Option D) 4A

Explanation:

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Considering one of this cycle, if it begins to travel from it's undistributed position , there would be four movements i.e

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Answer:

Solid materials that do not possess an orderly arrangement of atoms are called glasses (mineraloids).

Explanation:

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4 0
3 years ago
In one cycle a heat engine absorbs 450 J from a high-temperature reservoir and expels 290 J to a low-temperature reservoir. If t
Vitek1552 [10]

Answer:

So the ratio will be \frac{T_L}{T_H}=-0.171

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3 years ago
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3 years ago
An object is placed in a fluid and then released. Assume that the object either floats to the surface (settling so that the obje
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Answer:

A. Always true

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3 years ago
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