3 years ago

What triggers a sinkhole collapse?

1 answer:

8 0

Answer:

Decline of water levels drought, groundwater pumping Disturbance of the soil digging through soil layers, soil removal, drilling. Point-source of water leaking water/sewer pipes, injection of water.

Explanation:

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What is not a factor affecting impact in a collision; vehicle weight, speed, kinetic energy, centrifugal force

navik [9.2K]

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3 years ago

Where weathering of a rock takes place? a. rust b. mountain peak c. horizons d. outer surface

Georgia [21]

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3 years ago

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cluponka [151]

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3 years ago

3. What is the weight of the potatoes of mass 75kg on the surface of earth?<br> Ans:

svlad2 [7]

Answer:

The weight of the potatoes is 735 Newtons.

Explanation:

The weight can be determine, by means of the following equation.

$W = mg$ (1)

Where m is the mass of the object and g is the acceleration due to gravity

Therefore, equation 1 can be used:

$W = (75Kg)(9.8m/s^2)$

$W = 735Kg.m/s^2$

But 1N = 1Kg.m/s^2

$W = 735N$

Hence, the weight of the potatoes is 735 Newtons.

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4 years ago

What is the internal energy of 4.00 mol of diatomic nitrogen gas, N2, at 455 K?

Katen [24]

The internal energy of an ideal gas is given by:

where
n is the number of moles
R is the gas constant
T is the absolute temperature of the gas
k=3 for monoatomic gases, k=5 for diatomic gases

In this problem, we have n=3.0 mol of a diatomic gas (k=5) at T=288 K. Substituting these numbers into the equation, we find the internal energy of the gas:

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3 years ago