2 years ago

Which statement best explains the difference between greenhouse gases and other atmospheric gases?(1 point)

Physics

1 answer:

Dmitriy789 [7]2 years ago

3 0

Greenhouse gases trap thermal energy and reflect the sun’s harmful radiation back to Earth is the answer

im not 100% sure tho

hope it helps:))

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The object does not move.

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2 years ago

Claire just purchased a new silk dress for her school’s winter formal. She loves the feel of silk and keeps rubbing it with her

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Answer:

would adapt if the dress were held completely still

Explanation:

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3 years ago

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A 53.0-kg skater is traveling due east at a speed of 2.90 m/s. A 72.0-kg skater is moving due south at a speed of 6.20 m/s. They

soldier1979 [14.2K]

Answer:

a. $\thta=71^{\circ}$

b. $v_f=3.78 m/s$

Explanation:

We are given that

$m_1=53 kg$

$v_1=2.9 m/s$

$m_2= 72 kg$

$v_2=6.2 m/s$

a.We have to find the angle

$\theta=tan^{-1}{\frac{m_2v_2}{m_1v_1}=\frac{72(6.2)}{53(2.9)}=71^{\circ}$

$\theta=71^{\circ}$

b. We have to find the speed $v_f$

According to law of conservation of momentum

$m_1v_1=(m_1+m_2)v_fcos\theta$

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2 years ago

A forklift pushes a box with a force of 500 N across the floor for a distance of 5.0 m, then turns around and pushes with the sa

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Answer:

5,000J

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Work = Force x Distance

Distance back and forth is canceled out, so either the answer is + or -

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2 years ago

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Answer:

An object on the moon would weigh the LEAST among these. So correct answer is B.

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W = Mass * Acceleration due to gravity(g)

It means when masses of different objects those are in different places are same, the weight of those objects depends upon the 'g' of that particular place.

As we know, acceleration due to gravity on surface of moon (g') is 6 times weaker than the acceleration on surface of earth (g), which is due to the large M/R^2 of the earth than the moon.

i.e. g' = g/6 so W' = W/6

And in the space between the two, the object is weightless.

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