In a running event, a sprinter does 3.7 times 10^5 J of work and her internal en

Question

In a running event, a sprinter does 3.7 times 10^5 J of work and her internal energy decreases by 8.2 times 10^5 J. Determine the heat transferred between her body and surroundings during this event. (Give the heat transferred to her body from the surroundings.) J What does the sign of your answer to part (a) indicate? There is no heat transferred between the sprinter and the environment. Energy is transferred from the environment to the sprinter by heat. Energy is transferred from the sprinter to the environment by heat.

Explanation / Answer

Q = U + W

Q = - 8.2*10^5 +3.7*10^5 J = -4.5*10^5 J

third option

sprinter lost heat energy to surroundings

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