3 years ago

How does the stratosphere protect us?

Physics

1 answer:

Rudik [331]3 years ago

4 0

<span>It acts as a sunscreen to </span>protect us<span> against UV radiation. </span>

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Answer:

4 m/s

Explanation:

Momentum is defined as:

$p=mv$

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m is the mass of the object

v is its velocity

For the object in this problem, we know:

p = 200 kg m/s is the momentum

m = 50 kg is the mass

Solving for the velocity, we find:

$v=\frac{p}{m}=\frac{200}{50}=4 m/s$

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Explanation:

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3 years ago

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Answer: KE = 25 J

Explanation: You must use the formula

KE = 1/2 m v²

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