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leonid [27]
3 years ago
7

Half-Life refers to radiation levels true or false

Physics
1 answer:
o-na [289]3 years ago
3 0

Answer:

True

Explanation:

Because <em><u>half</u></em><em><u> </u></em><em><u>life</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>length</u></em><em><u> </u></em><em><u>of</u></em><em><u> </u></em><em><u>time</u></em><em><u> </u></em><em><u>it</u></em><em><u> </u></em><em><u>takes</u></em><em><u> </u></em><em><u>for</u></em><em><u> </u></em><em><u>the</u></em><em><u>,</u></em>half of the radioactive atoms of a specific radionuclied to decay.

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A 38.5kg man is in an elevator accelerating downward. A normal force of 343n pushes up on him. what is his acceleration?
alexira [117]

Answer:

<h3>The answer is 8.91 m/s²</h3>

Explanation:

The acceleration of an object given it's mass and the force acting on it can be found by using the formula

a =  \frac{f}{m}  \\

f is the force

m is the mass

From the question we have

a =  \frac{343}{38.5}  =  \frac{98}{11}  \\  = 8.909090...

We have the final answer as

<h3>8.91 m/s²</h3>

Hope this helps you

4 0
2 years ago
What occurs during stage one sleep
Mekhanik [1.2K]

Answer:

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Explanation:

i found it on google

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3 years ago
What energy transfer will a stretched rubber band have when let go
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Answer:

when the rubber band is realeased the potential energy is quickly converted to kinetic energy this is equal to one mass of the the rubber band multiplied by its velocity( in meters per second)

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3 years ago
What is the difference between heat exhaustion and heat stroke?
balu736 [363]
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2. An egg rolls off the kitchen counter with a velocity of 4m/s. If
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Answer:

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Explanation:

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