Physics, 30.10.2019 02:31, alondrabdiaz586
You are testing a new amusement park roller coaster with an empty car of mass 120 kilograms. one part of the track is a vertical loop with radius 12.0 meters. at the bottom of the loop (point a) the car has speed 25.0 meters per second and at the top of the loop (point b) it has speed of 8.0 meters per second. as the car rolls from point a to point b, how much work is done by friction?
Answers: 1
Physics, 22.06.2019 06:30, angelinaranee15
Work = force × a. work b. energy c. distance d. momentum
Answers: 1
Physics, 22.06.2019 10:00, Trinhphuongtran
One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?
Answers: 2
Physics, 22.06.2019 10:30, janeou17xn
Find the magnetic field a distance r from the center of a long wire that has radius a and carries a uniform current per unit area j in the positive z direction.
Answers: 2
You are testing a new amusement park roller coaster with an empty car of mass 120 kilograms. one par...
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