Answer:
75 m
Explanation:
The distance x for a uniform acceleration is given by the equation:
The given values are:
a = 6 m/s², t = 5 s, v₀ = 0, x₀ = 0
What does gravitational potential energy typically change into? Question 8 options: A-Electric energy B- Kinetic energy C- Radio
2 answers:
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The fraction of radioisotope left after 1 day is , 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:
where:
is the mass of the radioactive sample at t = 0
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
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
where the half-life must be expressed in days in order to match the units.
Learn more about radioactive decay:
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