A ball on the end of a string is rotating with constant speed in a horizontal plane. When the ball is moving North it is located to the East of the pivot point.
At that time the angular velocity of the ball points in what direction?
A. up
B. down
C. East
D. West
E. North
Answers: 2
Physics, 22.06.2019 06:30
2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.
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Amass attached to a spring is displaced from its equilibrium position by 5cm and released. the system then oscillates in simple harmonic motion with a period of 1s. if that same mass–spring system is displaced from equilibrium by 10cm instead, what will its period be in this case? a mass attached to a spring is displaced from its equilibrium position by and released. the system then oscillates in simple harmonic motion with a period of . if that same mass–spring system is displaced from equilibrium by instead, what will its period be in this case? a) 0.5sb) 2sc) 1sd) 1.4s
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The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?
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A ball on the end of a string is rotating with constant speed in a horizontal plane. When the ball i...
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