Question

In a running event, a sprinter does 4.8 x 105 J of work and her internal...

In a running event, a sprinter does 4.8 x 105 J of work and her internal energy decreases by 7.5 x 105 J. Determine the heat transferred between her body and surroundings during this event.

0 0
Add a comment Improve this question Transcribed image text
Answer #1

dq = du + dw

dq = -7.5 * 105 + 4.8 * 105

du = -ve sign show decrease internal energy

So,

dQ = -2.7 * 105J

So , amount of heat transfer between body and surroundings

Is dQ = 2.7 * 105J

plz upvote

Add a comment
Know the answer?
Add Answer to:
In a running event, a sprinter does 4.8 x 105 J of work and her internal...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT