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Studentka2010 [4]
3 years ago
13

Can you cool a kitchen by leaving the refrigerator door open while the refrigerator is operating? a. No. Since the refrigerator

is operating, the “heat pump” transfers thermal energy from the inside of the refrigerator to the outside of the refrigerator which is presumably in the same room. Since this process is not 100% efficient due to the second law, the average temperature of the room will increase over time. b. No. Since the refrigerator is operating, the “heat pump” transfers thermal energy from the inside of the refrigerator to the outside of the refrigerator which is presumably in the same room. Due to the second law, there will be no change in temperature due to the perfect efficiency of the heat pump.
Physics
2 answers:
slava [35]3 years ago
7 0

Answer:

no

Explanation:

because will the cool air will be leaving the fridge the motor in the bottom will be running and eventually the mixture of the cool and hot air will balance out

posledela3 years ago
7 0

'a' is the correct statement.

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5 0
2 years ago
How many times bigger is the radius of a helium atom then the radius of an alpha particle
kiruha [24]

The radius of a helium atom 4.8 times bigger  then the radius of an alpha particle.

<h3>What is alpha particle?</h3>

The structure of alpha particles, also known as alpha rays and alpha radiation, is similar to that of the helium-4 nucleus and has been made up of two protons as well as two neutrons bonded together.

<h3>What is helium?</h3>

For welding metals like aluminum, helium was utilized as an inert gas environment. It is also employed in rocket propulsion.

The radius of a helium atom 4.8 times bigger  then the radius of an alpha particle. More precisely than it's ever been, the diameter of the helium atom's nucleus, the alpha particle, had also been measured. Outcomes just point to a size of 1.6782 femtometers, 4.8 times more accurate than earlier readings.

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4 0
2 years ago
Electric potential is defined as
dmitriy555 [2]

Answer:

C

Explanation:

YES 100%%%%

7 0
2 years ago
Which have different numbers of electrons?
nexus9112 [7]

Answer:

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6 0
3 years ago
As the mass of object increased it is density increased
Elan Coil [88]

Answer:

True.

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It can be seen that the density of an object is directly proportional to its mass. It means if the mass of an object increase, its density will also increase. Hence, the given statement is true.

3 0
3 years ago
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