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Law Incorporation [45]
3 years ago
12

Please answer this question ​

Physics
1 answer:
belka [17]3 years ago
8 0

ANSWER is c

HOPR THIS WILL BE HELPFUL

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A 1/10th scale model of an airplane is tested in a wind tunnel. The reynolds number of the model is the same as that of the full
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of the velocity of a full size plane in the air

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Which of the folltrue or false: the ratio of heat exchange in conduction is independent of exposure time.owing techniques uses e
Sliva [168]

True conditions

Efficiency of Heat Exchanger are as below:

the heat exchange process between two fluids with different temperatures using solid walls occurs in various engineering applications. The tool to achieve this exchange is a heat exchanger. Some applications like air conditioning, power generation, waste heat recovery, and chemical processing use this device.

The basis of the work of a heat exchanger is that the hot fluid enters the heat exchanger at temperature T1 and its heat capacity is Chot. Also, the cold fluid with the heat capacity of Ccold enters temperature t1; in the meantime, the hot fluid loses its heat, and its temperature drops to T2. It delivers heat to the cold fluid to increase its temperature to t2 and leave the heat exchanger at this temperature.

To learn more about Heat Exchanger

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6 0
2 years ago
The temperature of a substance depends on what two types of energy​
Bezzdna [24]

Answer:

Thermal and kinetic.

Explanation:

Thermal energy is the energy generated by heat. Kinetic energy is the movement of particles in a substance which is responsible for the heat increase.

3 0
3 years ago
For how long should a force of 50,0 N be applied to change the momentum of an object
patriot [66]

Answer:

2,4 second

Explanation:

Change the momentum = F.t

12 = 50 .t

12/50 = t

2,4

6 0
3 years ago
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