3 years ago

1.Why does the water vapour in clouds condense?

1 answer:

4 0

It condenses because the atmosphere above us is much colder than what we feel. We see clouds because clouds aren't entirely water vapor, the water inside of clouds is beginning to change from a gas to a liquid.

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A round or canon uses _______ imitation.

bazaltina [42]

The answer is C. strict

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3 years ago

Football player 1 has a mass of 80 kg and a velocity of 2 m/s east while player 2 has a mass of 70 kg and a velocity of 3 m/s we

sukhopar [10]

The total momentum of the system is equal to 50 Kgm/s.

Given the following data:

Mass 1 = 80 kg

Velocity 1 = 2 m/s east.

Mass 2 = 70 kg

Velocity 2 = 3 m/s west.

To determine the total momentum of the system:

Mathematically, momentum is given by the formula;

$Momentum = mass \times velocity$

For Football player 1:

$Momentum = 80 \times 2$

Momentum 1 = 160 Kgm/s.

For Football player 2:

$Momentum = 70 \times 3$

Momentum 1 = 210 Kgm/s.

Now, we can calculate the total momentum of the system:

$Total\;momentum = momentum \;2 - momentum \;1\\\\Total\;momentum = 210-160$

Total momentum = 50 Kgm/s.

Note: We subtracted because the football players were moving in opposite directions.

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2 years ago

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Alika [10]

Answer:

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Because it has to increase

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s344n2d4d5 [400]

Answer:

I think is B. sound, nuclear, electrical

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2 years ago

How far would a cantaloupe fall in 5.0 seconds of true free fall?

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Answer:

i think the answer is about 50 m/s

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