A swimmer does 7.0×10 5 J of work and gives off 4.5×10 5 J of heat during a work

Question

A swimmer does 7.0×105 J of work and gives off 4.5×105 J of heat during a workout.

Part A

Determine U for the swimmer.

Express your answer using two significant figures.

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Part B

Determine W for the swimmer.

Express your answer using two significant figures.

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Part C

Determine Q for the swimmer.

Express your answer using two significant figures.

A swimmer does 7.0×105 J of work and gives off 4.5×105 J of heat during a workout.

Part A

Determine U for the swimmer.

Express your answer using two significant figures.

U = J

SubmitRequest Answer

Part B

Determine W for the swimmer.

Express your answer using two significant figures.

W = J

SubmitRequest Answer

Part C

Determine Q for the swimmer.

Express your answer using two significant figures.

Q =

Explanation / Answer

a) U = Q-W

U = -4.5*10^5-7*10^5 = -11.5*10^5 J

here gives off then Q is negative

b) w = 7*10^5 J

c) Q = -4.5*10^5 J

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