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Rina8888 [55]
3 years ago
14

The capacity of the air to hold water vapor: Group of answer choices 1. decreases with an increase in temperature.2. increases w

ith a decrease in temperature.3. increases with an increase in temperature.4. increases with an increase in pressure.
Physics
2 answers:
abruzzese [7]3 years ago
8 0

Answer:

Option (3)

Explanation:

The capacity of air to hold moisture or water content is directly proportional to the temperature of the air. This means that, with the increasing temperature, the air is capable of holding more amount of water. This results in a decreasing amount of relative humidity. When the temperature of the air increases and the water vapor content increases simultaneously, it slowly starts to condense and thereby leads to the occurrence of precipitation.

Thus, the correct answer is option (3).

Nezavi [6.7K]3 years ago
5 0

Answer:

3. increases with an increase in temperature.

Explanation:

The air more water vapor at higher temperatures because at higher temperatures the air expands and the inter-molecular space increases so the room for water molecules increases.

Warm air keeps the water molecules warm and prevents them from condensing.

The air can hold the moisture only upto its saturation quantity after which the precipitation occurs in the form of rain, snow, hail, sleet etc.

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Answer:

4.1 m

Explanation:

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The power yielded by the wind turbine can be calculated using the following formula

P = \frac{1}{2} \rho v^3 A C_p

where \rho = 1.2 kg/m^3 is the air density, v = 8.89 m/s is the wind speed, A is the swept area and C_p = 0.45 is the efficiency

10000 = 0.5 * 1.2 * 8.89^3 * A * 0.45

10000 = 190A

A = 10000 / 190 = 52.7 m^2

The swept area is a circle with radius r being the blade length

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r^2 = 52.7 / \pi = 16.79

r = \sqrt{16.79} = 4.1 m

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A charge of q= +15 uC moves in a Northeast direction with a speed 5 m/s, 25 degrees East of a magnetic field, pointing North, wi
grin007 [14]

Explanation:

It is given that,

Magnitude of charge, q=15\ \mu C=15\times 10^{-6}\ C

It moves in northeast direction with a speed of 5 m/s, 25 degrees East of a magnetic field.

Magnetic field, B=0.08\ j

Velocity, v=(5\ cos25)i+(5\ sin25)j

v=[(4.53)i+(2.11)j]\ m/s

We need to find the magnitude of force on the charge. Magnetic force is given by :

F=q(v\times B)

F=15\times 10^{-6}[(4.53i+2.11j)\times 0.08\ j]

<em>Since</em>, i\times j=k\ and\ j\times j=0

F=15\times 10^{-6}[(4.53i)\times (0.08)\ j]

F=0.00000543\ kN

F=5.43\times 10^{-6}\ kN

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3 years ago
The standard unit of force in the metric system is the _____. A. gram B. pound C. newton D. kilogram
Snezhnost [94]
The answer is C. Newton
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On the ride "spindletop" at the amusement park six flags over texas, people stood against the inner wall of a hollow vertical cy
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b) The minimum coefficient s occurs when force of gravity is equals the max friction force, that is

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Also, the normal force has equal magnitude to the centrifugal force:

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s = g / (r w^2)

 

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s = 9.81 / (2.5 * 3.77^2) = 0.276

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3 years ago
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