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eduard
3 years ago
13

A 2 kg stone is dropped from 55 meters. What is the potential energy of the stone at the top?

Physics
1 answer:
bogdanovich [222]3 years ago
3 0

Answer:

280.5 J

Explanation:

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A substance that Connor be broken down into simplersubstance by ordinary chemical means
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An element

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Which force is greater the earth’s pull on the moon or the moon’s pull on the earth
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Answer:

The earth's pull on the moon

Explanation:

Earth exerts a gravitational pull on the moon 80 times stronger than the moon's pull on the Earth.

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3 years ago
4.39 moles of gas in a box has a pressure of 2.25 atm at temperature of 385K. What is the volume of the box?
bazaltina [42]

Answer:

0.0619 m^3

Explanation

number of moles = n = 4.39 mol

pressure = P = 2.25 atm =2.25×1.01×10^5 Pa= 2.27×10^5 Pa

Molar gas constant =R = 8.31 J/(mol K)

Temperature T= 385K

volume of gas = V =?

BY GENERAL GAS LAW WE HAVE

PV = nRT

or V = nRT/P

or V = (4.39×8.31×385)/(2.27×10^5)

V = 0.0618728

V =  0.0619 m^3

5 0
4 years ago
Read 2 more answers
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