A weightlifter does 450 J of work on a barbell in 3 s. How much power is the weightlifter generating?
1 answer:
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To solve the problem it is necessary to refer to the definition of entropy.
Entropy is defined aso
Where,
Heat exchange
T = Temperature
Since the heat exchange is conserved and it is an isothermal process where the temperature remains constant the change in entropy remains the same, ie (Reamins same)
Therefore the correct answer is C.
Answer:
Force will increase 3 times
Explanation:
We know force is directly porpotional to acclereation, with the constant, m mass.
So if we mass is increased 3 times the force will increase 3 times.