It is simply a question of the amount of water contained, a lake is much bigger than a pool. The energy ratio is just the ratio of the masses of water concerned. <span>Thermal energy is the total kinetic energy of the particles in a substance .</span>The lake is larger, so it contains more total particles than the swimming pool. The thermal energy of a lake is greater than a swimming pool because the lake is larger.
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Answer:
A dot product of two vectors is also called the scalar product. ... The difference between the dot product and the cross product of two vectors is that the result of the dot product is a scalar quantity, whereas the result of the cross product is a vector quantity.
Explanation:
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A. Increase power
The relationship between power, work, and time is:
Power = work / time
So power is the rate of work done. It is visible that power and time obey an inverse relationship, so if one wants to decrease the time taken with a constant amount of work, one would increase the power.
The last choice is your answer, I just did it.