Answer:
20 J
Explanation:
ΔU = Q − W
ΔU = 60 J − 40 J
ΔU = 20 J
Good Luck, NYAYAYAYAYa
A bolt, all these besides bolt are a combo of simple machines
d)through a railroad track
Answer: ME= E total - E thermal
umm
1223565 578633 =334675
