A girl, standing 150m in front of a tall building, fires a shot using a starting pistol. A boy, standing 350 m from the girl
, hears two bangs 1s apart.
June 200
my
PATI
gid
boy
47
150 m
350 m
From this information, what is the speed of sound in air?
A 300 m/s
B 350 m/s
D 650 m/s
C 500 m/s

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation 2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!