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Nutka1998 [239]
2 years ago
7

Brainliest if correct

Physics
2 answers:
dedylja [7]2 years ago
4 0

Hello.

Answer: B

Explanation: 6-6=20 on the right side.

Hope this helps!

poizon [28]2 years ago
3 0

Answer:

A

Explanation:

hope it helps you make brainliest

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What traction of the radioisotope<br>remains in the body after one day?​
r-ruslan [8.4K]

The fraction of radioisotope left after 1 day is (\frac{1}{2})^{\frac{1}{\tau}}, with the half-life expressed in days

Explanation:

The question is incomplete: however, we can still answer as follows.

The mass of a radioactive sample after a time t is given by the equation:

m(t)=m_0 (\frac{1}{2})^{\frac{t}{\tau}}

where:

m_0 is the mass of the radioactive sample at t = 0

\tau is the half-life of the sample

This means that the mass of the sample halves after one half-life.

We can rewrite the equation as

\frac{m(t)}{m_0}=(\frac{1}{2})^{\frac{t}{\tau}}

And the term on the left represents the fraction of the radioisotope left after a certain time t.

Therefore, after t = 1 days, the fraction of radioisotope left in the body is

\frac{m(1)}{m_0}=(\frac{1}{2})^{\frac{1}{\tau}}

where the half-life \tau must be expressed in days in order to match the units.

Learn more about radioactive decay:

brainly.com/question/4207569

brainly.com/question/1695370

#LearnwithBrainly

5 0
3 years ago
What is the range of motion of the elbow if extension is 0° and flexion is 145°?
inna [77]

Answer:

0 to 145 degrees

Explanation:

The normal range of flexion and extension is from 0 to 145 degrees.

6 0
2 years ago
Generation of electricity in coal-burning power plants and nuclear power plants both involve _______.
kolbaska11 [484]

Answer:

Heating water to produce steam which drives a turbine

Explanation:

Generation of electricity in coal-burning power plants and nuclear power plants both involve heating water to produce steam which drives a turbine.

5 0
3 years ago
Which product of nuclear decay has mass but no charge?
Tom [10]
Neutrons have a zero charge but consist of mass.
3 0
3 years ago
Make a free-body diagram of someone pushing a refrigerator that shows:
adoni [48]

Answer:

head fah ueah ik

Explanation:

5 0
3 years ago
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