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Genrish500 [490]
3 years ago
15

1. What three particles are found in an atom?

Physics
2 answers:
Hoochie [10]3 years ago
7 0

Answer:

Protons, Electrons, and neutrons

notsponge [240]3 years ago
3 0

Answer:

protons electrons neutrons

Explanation:

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At the same temperature, two wires made of pure copper have different resistances. The same voltage is applied at the ends of ea
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Answer:

Explanation:

As we know that the resistance of the wire is directly proportional to the length of wire and inversely proportional to the area of crossection of the wire.

As the material is copper for both the wires so the resistivity is same and the voltage is also same. As their resistance is different it means either length is different or the area of crossection is different.

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3 years ago
Convection currents in air and water occur because _
Diano4ka-milaya [45]

warm fluids are less dense than cold fluids

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3 years ago
If it requires 7.0 j of work to stretch a particular spring by 2.1 cm from its equilibrium length, how much more work will be re
SVEN [57.7K]
4.6 j more. To get this take 7 and multiply it by 3.5 to get 24.5 take the x which is what you’re looking for and multiply it by the 2.1 to get 2.1x. Take 24.5 and divide it by 2.1 x and get 11.6. Subtract 11.6 by 7 and get 4.6
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3 years ago
What is the control group
kolbaska11 [484]

Answer: the group in an experiment that doesn’t get treatment

Explanation:

8 0
2 years ago
It is known that heat is added to a gas in sealed container. The container is fitted with a moveable piston.
jasenka [17]

Answer:

d. Not enough information is given to answer this question.

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From first law of thermodynamics

Q= W + ΔU

Q=Heat  ,W= Work , ΔU=Change in internal energy

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It means that W and Q both are positive

Q- W = ΔU

Ii Q > W ,then temperature of the gas will increase.

If  Q< W  ,Then temperature of the gas will decreases.

If work done on the gas:

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There are three cases because they did not give any information about the work.That is why option d is correct.

3 0
3 years ago
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