Where do droughts usually occur
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(C)
Explanation:
The circle has a radius r = 0.5 m, which means that its circumference C is
One revolution means that the stopper travels a distance equal to the circumference of the circle so the velocity of the stopper is
Answer:
The value is
Explanation:
From the question we are told that
The work input is
The heat delivered is
The value of A is A = 14
The value of B is B = 72
Generally the efficiency of the heat engine is mathematically represented as
Here is the total out energy produce by the heat engine and this is mathematically represented as
=>
=>
So
=>
=>
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