Question

Air in a car tire is compressed when the car rolls over a rock & the air outside the tire becomes slightly warm, what are the correct signs of heat and work for this change?


A. -Q, -W
B. -Q, +W
C. +Q, +W
D. +Q, -W

Answer 1

-Q because the tire is releasing heat

Answer 2

w because you are doing work on the system

Answer 3

+W

Answer 4

so it would be B?

Answer 5

@Deeezzzz

Answer 6

Yes

Answer 7

it was A :( but thank you