Physics, 09.02.2021 02:10 darius5349
You are running a race due north at 7 miles per hour. The person behind you is running at 8 miles per hour and is catching you.
12.From your perspective (you are the reference point) what is the velocity of the second runner?
13. From the second runner’s perspective (he is the reference point) what is your velocity?
Answers: 2
Physics, 23.06.2019 00:10
During cooling, the kinetic energy of the molecules falls. why does this happen? a.the motion of the molecules increases. b. the motion of the molecules slows down. c.the van der waals forces between molecules decrease d. the forces of attraction between the molecules are overcome.
Answers: 2
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