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4 years ago

where is the amount of water vapor in the air likely to be highest, above a desert or a tropical rain forest?

1 answer:

8 0

Desert due to the high temperatures, therefore any water can evaporate and will be in the air as water vapour. In a rainforest it is usually cold so it is less likely that there will be water vapour as there is not much water evaporating.

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Which sentence avoids using a pronoun reference error?

yawa3891 [41]

<span>It's going to rain this weekend.</span>

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3 years ago

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You are handed a 5.00x10^-3kg coin and told that it is gold.

aksik [14]

Answer:

thats cool, gold is pretty

Explanation:

i dont get the question, though

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3 years ago

At its peak, a tornado is 53.0 m in diameter and carries 465-km/h winds. What is its angular velocity in revolutions per second?

expeople1 [14]

Answer:

0.7757 rev/s

Explanation:

d = Diameter of the tornado = 53 m

r = Radius of the tornado = 53/2 = 26.5 m

v = Velocity of wind = 465 km/h

Converting velocity to m/s

$465=465\times \frac{1000}{3600}=\frac{775}{6}$

Angular velocity

$\omega=\frac{v}{r}\\\Rightarrow \omega=\frac{\frac{775}{6}}{26.5}\\\Rightarrow \omega=4.87\ rad/s$

$\omega=4.87\frac{1}{2\pi}=0.7757\ rev/s$

∴ Angular velocity is 0.7757 rev/s

8 0

3 years ago

As the kinetic energy of an object increases, so does the _________ energy produced. A) heat B) light C) atomic D) potential

IrinaK [193]

Answer:

A) heat

Explanation:

As kinetic energy increases, so does the heat energy produced. The faster the molecules move, the more heat that is generated.

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3 years ago

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A balloon is filled at sea level on a spring day (temperature 20°C) to a volume of 0.500 m3 and then brought at op of Mount Ever

blagie [28]

Answer:

Volume increases

Explanation:

The balloon when filled at sea level being comparatively close to the center of the earth will have higher pressure due to the influence of gravity and when this balloon is taken to the top of the mountain being away from the center of earth, it will experience a lesser pressure due to low gravity where the amount of force exerted by the air on the object is lesser as compared to to that at the sea level.

Therefore, there will be an increase in volume of the balloon as there is expansion of air on the inside of the balloon as a result of low pressure.

There is not much effect of temperature at both the sea level and the mountain top as the temperature does not impart any energy to the air molecules so as to decrease the volume.

Therefore,there is an increase in the volume of the balloon at the top of the mountain.

Percentage change in volume is given by:

$% change = \farc{V - 0.5}{0.5}times 100$

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4 years ago