Explanation:
Efficiency is defined as the ratio between the useful output over the total amount consumed.
The fan does 500W of useful work while wasting 300 W. The total power consumption is 800 W (500 + 300).
If the ball that is thrown downward has an acceleration of magnitude aaa at the instant of its release (i.e., when there is no l
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Answer:
Suppose two objects of different masses are moving with different velocities in the same direction on a straght-line before collision. After collision, they stick together and move with common (the same) velocity
