2 years ago

25 points plz be fr will mark brainliest

Chemistry

1 answer:

nalin [4]2 years ago

4 0

Answer:

As cincentration of greenhouse gases increases Earth atmosphere increases.

See the image for answer.

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A boy swings a rubber ball attached to a string over his head in a horizontal, circular path. The piece of string is 1.15 m long

gregori [183]

Answer:

v = 16.49 m/s

Explanation:

Given that,

Length of the string, l = 1.15 m

The ball makes 137 complete turns each minute.

We know that, 1 turn = 6.28 rad

137 turns = 860.79 rad

1 min = 60 s

$\omega=\dfrac{860.79\ rad}{60\ s}\\\\=14.34\ rad/s$

We need to find the tangential velocity of the ball. It can be given by

$v=r\omega\\\\=1.15\times 14.34\\\\v=16.49\ m/s$

So, the tangential velocity of the ball is 16.49 m/s.

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3 years ago

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vladimir1956 [14]

Answer:

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2 years ago

In this picture below one object is attractive to another by-

Ne4ueva [31]

I think it'd be gravity.

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If I DECREASE the mass and INCREASE the distance, what happens to the force of gravity?

Lapatulllka [165]

Answer:

Decreases

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F = GM1M2/R²

please mark me brainliest and 5 star

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3 years ago

A chemical equation is balanced when the

Arada [10]

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