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3 years ago

The first American to orbit the earth was:

2 answers:

8 0

Yes, John Glenn was the first to orbit the earth but the question I read was who WALKED ON THE MOON.....the answer to who was the FIRST to walk on the moon... is Neil Armstrong but Buzz Aldrin also walked and was there with Armstrong but wasn't the first. You have to be careful about the astronaut 'firsts'. Alan Shepherd was the first in space....John Glenn was the first to orbit the earth....Edward White was the first to 'walk in space' and Neil Armstrong was the first man to walk on the moon. Also remember that all of these were American Astronaut firsts. The Russians actually put up the first man in space. Yuri Gagarin was the first man. Buzz Aldrin landed and walked on the moon also.

alexdok [17]3 years ago

3 0

John Glenn is the first American to orbit the Earth.

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A sample of an ideal gas is heated, and its kelvin temperature doubles. What happens to the average speed of the molecules in th

BabaBlast [244]

A sample of an ideal gas is heated, and its kelvin temperature doubles. The average speed of the molecules in the sample will increases by a factor of $\sqrt{2}$

The root-mean square (RMS) velocity is the value of the square root of the sum of the squares of the stacking velocity values divided by the number of values. The RMS velocity is that of a wave through sub-surface layers of different interval velocities along a specific ray path.

Root mean square speed is a statistical measurement of speed.

The root mean square speed can be calculated as : V1 : $\sqrt{3 R T / Mo}$

if temperature becomes double

let T1 is initial temperature

So , T2 = 2 * T1

now ,

Root mean square speed will be (V2) = $\sqrt{(3 R (2T)) / Mo}$

= $\sqrt{2}$ * $\sqrt{3 R T / Mo}$

= $\sqrt{2}$ V1

Thus when temperature becomes double, the root mean square speed increases by a factor of $\sqrt{2}$

To learn more about root mean square velocity here

brainly.com/question/13751940

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1 year ago

If a car and a bowling ball were thrown off a 100 foot cliff at the same time, which would hit the ground first?

nirvana33 [79]

They would hit the ground at the same time. No matter the weight laws of physics.

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3 years ago

How do machines increase mechanical advantage?

Kryger [21]

Mechanical advantage is a measure of the force amplification achieved by using a tool.

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4 years ago

Please help quick please

zloy xaker [14]

Answer:

I think it is a or b

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3 years ago

Please help on this one?

lisov135 [29]

Answer:

The current in a resistor decreases by a factor of 4.

Explanation:

I = $\frac{E}{R}$

Where (I) is the current, (E) is the voltage and (R) is the resistance.

Decreasing the voltage by 4 gives;

I = 0.25 $\frac{E}{R}$

Since you have multiplied $\frac{E}{R}$ by 0.25,

You have to multiply I by 0.25 so the current decreases by a factor of 4.

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3 years ago