A body of mass m=10-2 kg is moving in a medium and experiences a frict

1.	A body of mass m=10-2 kg is moving in a medium and experiences a frictional force F = -K V2. Its initial speed is V0=10ms-1. If, after 10 s, its energy is 1/8 mv20, the value of k will beA) 10-3 Kg m-1B) 10-3 Kg s-1C) 10-4 Kg m-1D) 10-1 Kg m-1 s-1
Answer» ANSWER: answer is B) 10-3kg s-1

A body of mass m=10-2 kg is moving in a medium and experiences a frictional force F = -K V2. Its initial speed is V0=10ms-1. If, after 10 s, its energy is 1/8 mv20, the value of k will beA) 10-3 Kg m-1B) 10-3 Kg s-1C) 10-4 Kg m-1D) 10-1 Kg m-1 s-1

Answer»

ANSWER:

answer is B) 10-3kg s-1

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A body of mass m=10-2 kg is moving in a medium and experiences a frictional force F = -K V2. Its initial speed is V0=10ms-1. If, after 10 s, its energy is 1/8 mv20, the value of k will beA) 10-3 Kg m-1B) 10-3 Kg s-1C) 10-4 Kg m-1D) 10-1 Kg m-1 s-1

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