Physics, 28.12.2020 18:00 Arden990560
g A 240-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the disk and pulling on the rope. What constant force would have to be exerted on the rope to bring the merry-go-round from rest to an angular speed of 0.600 rev/s in 2.00 s
Answers: 3
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1400 kg car has a speed of 27 m/s. if it takes 7 s to stop the car, what is the impulse and the average force acting on the car?
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Most short-period comets do not have randomly oriented orbits because
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Physics, 23.06.2019 01:30
Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. which of the following best describes how such a telephone is able to transmit and receive information? a. the cellular telephone transmits, receives, and encodes information using only sound waves. b. the cellular telephone transmits, receives, and encodes information using only electromagnetic waves. c. the cellular telephone transmits information by electromagnetic waves to a receiver which then encodes them and produces sound. d. the cellular telephone transmits information by sound waves to a receiver which then encodes them and produces electromagnetic waves.
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Physics, 23.06.2019 02:30
Aproton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?
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g A 240-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set...
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