Answer:
B. 8,437.5 J
Explanation:
<u>Given the following data;</u>
Height = 400m
Mass = 75kg
Velocity = 15m/s
Time = 10 secs
To find the kinetic energy of the skier?
Kinetic energy can be defined as an energy possessed by an object or body due to its motion.
Mathematically, kinetic energy is given by the formula;
<em>Where;</em>
- <em>K.E represents kinetic energy measured in Joules. </em>
- <em>M represents mass measured in kilograms. </em>
- <em>V represents velocity measured in metres per seconds square. </em>
<em>Substituting into the equation, we have;</em>
K.E = 8,437.5 Joules.
The Big Bang theory is matter and energy in the universe exploded out from one point. As the explosion occurred, energy and matter spread outward and formed the universe. The matter from the Big Bang formed clouds of gas.
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An atom is the smallest unit of an element