a guitar string is 0.620 m long, and oscillates at 234 Hz. if a player uses his finger to shorten the string to 0.480 m, what is
2 answers:
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Answer:
a) Instantaneous rate at which the force does work on the object = -6 W
b)
Explanation:
a) Given that
and
Instantaneous rate at which the force does work on the object is called power.
Power is the dot product of force and velocity.
Instantaneous rate at which the force does work on the object = -6 W
b) Here given that
Power = -12 W