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photoshop1234 [79]
2 years ago
10

When the temperature of 0.0788 moles of a diatomic gas drops, its internal energy drops by -50.7 J. What was the temperature cha

nge?
Physics
1 answer:
miss Akunina [59]2 years ago
5 0

Answer:

30.93

Explanation:

It is correct on Acellus

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The specific heat of granite is 800 J/(kg·°C). How much heat does it take to raise 1 kg of granite 4°C?
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Looking at the bottom standing wave in the picture, how many complete waves are present?
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Suppose a tank filled with water has a liquid column with a height of 10 meters. If the area is 2 square meters (2 m²), what's t
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Answer:

196000 N

Explanation:

The following data were obtained from the question:

Height (h) = 10 m

Area (A) = 2 m²

Force (F) =.?

Next, we shall determine the pressure in the tank.

This can be obtained as follow:

P = dgh

Where

P is the pressure.

d is the density of the liquid.

g is acceleration due to gravity

h is the height.

Height (h) = 10 m

Density (d) of water = 1000 kg/m³

Acceleration due to gravity (g) = 9.8 m/s²

Pressure (P) =...?

P = dgh

P = 1000 × 9.8 × 10

P = 98000 N/m²

Therefore, the pressure acting on the tank is 98000 N/m²

Finally, we shall determine the force of gravity acting on the column of water as follow:

Area (A) = 2 m²

Pressure (P) = 98000 N/m²

Force (F) =.?

Pressure (P) = Force (F) /Area (A)

P = F /A

98000 = F/ 2

Cross multiply

F = 98000 × 2

F = 196000 N

Therefore, the force of gravity acting on the column of water is 196000 N

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