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<span>c. contains different kind of matter</span>
11250J
Explanation:
Given parameters:
Mass of the person = 100kg
Velocity = 15m/s
Unknown:
Kinetic energy = ?
Solution:
The kinetic energy of a body is energy due to the motion of the body.
Kinetic energy =
m v²
m is the mass of the body
v is the velocity
Substituting the parameters:
K. E =
x 100 x 15² = 11250J
Learn more:
Kinetic energy brainly.com/question/6536722
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Answer:
Mass, m = 4 kg
Explanation:
<u>Given the following data;</u>
Energy = 3.6 * 10^17 Joules
We know that the speed of light is equal to 3 * 10⁸ m/s.
To find the mass of the substance;
The theory of special relativity by Albert Einstein gave birth to one of the most famous equation in science.
The equation illustrates, energy equals mass multiplied by the square of the speed of light.
Mathematically, the theory of special relativity is given by the formula;

Where;
- E is the energy possessed by a substance.
- m is the mass.
- c is the speed of light.
Substituting into the formula, we have;



Mass, m = 4 kg