Physics, 06.07.2021 16:10 sofia467735
A racecar travels northward on a straight, level track at a constant speed, traveling 0.550 kilometer in 40.0 seconds. The return trip over the same track is made in 45.0 seconds. (a) What is the average velocity of the car in meters per second for the first leg of the run
Answers: 1
Other questions on the subject: Physics
Physics, 21.06.2019 15:10, tracijp
On a cold day, when the air temperature is 0°c, you empty your lungs and take a deep breath, filling your lungs with 4.2 l of air. if you hold your breath until the temperature of the air in your lungs reaches 37°c, what is the volume of the air in your lungs at that point, assuming the pressure does not change?
Answers: 1
Physics, 22.06.2019 01:30, chloe1107
Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.
Answers: 1
You know the right answer?
A racecar travels northward on a straight, level track at a constant speed, traveling 0.550 kilomete...
Questions in other subjects:
Biology, 28.06.2019 19:00
Mathematics, 28.06.2019 19:00
History, 28.06.2019 19:00
