Answers Physics Practice ExamQuestion 7

7

practice examMultiple Choice

Practice Exam

Question 7 • Physics

Which best describes Jin's error?

Answer

A

For step 1, he should have used 180 J as the change in internal energy.

B

For step 1, he should have subtracted 78 J from 180 J to find the change in internal energy.

C

For step 2, he should have subtracted the change in internal energy from the energy used to do work.

D

For step 2, he should have subtracted the energy used to do work from the change in internal energy.

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