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A simple pendulum consists of a mass 1.72 kg hanging from a light cord of length 66 cm. The mass is displaced to one side and released. Using g = 9.8 m/s2, what is the frequency of the oscillation in Hz? Express your result to three significant digits.
John weighs 716 N, and Marcia weighs 506 N. Estimate the gravitational force between them when they are 0.45 m apart
A 72 kilogram water skier is being accelerated by a ski boat on a flat lake. Find the skier horizontal acceleration if the rope pulling the skier exerts a force of 240 Newton on the skier at an upward angle of 12 degree
A solid wooden ball is rotating about an axis passing through its center. If its angular speed if doubled, find by what factor does its rotational kinetic energy change
A pot of hot water is boiling on your stove. The pot is in the shape of a round cylinder made of aluminum which is 10 cm in radius. calculate the change in entropy of the boiling water
A helicopter is ascending vertically with a speed of 5.02m/s. At a height of 140m above the Earth, a package is dropped from the window. How much time does it take for the package to reach ground.
Radar at an airport tells an air traffic controller that a light airplane is approaching at 220 km/h at 33° north of east. Instruments also tell the air traffic controller that there is a wind blowing at 42 km/h at 25° west of south. What is th..
Need to write about "plastic surgery " to view it from sociological paradigm. Papers must include one paradigm (one only).
A wheel (radius=0.20m) is mounted on a frictionless , horizontalaxis.A light cord wrapped around the wheel supports a0.50kg object. What the moment of the wheel
A simple pendulum consists of a ball connected to one end of athin brass wire. The period of the pendulum is 1.81 s. obtain the change in the period of the heated pendulum
A thin, uniformly charged spherical shell has a potential of 720 V on its surface. Outside sphere, at a radial distance of 29.0 cm from this surface, the potential is 434 V.
A person is riding a bicycle, the wheels of a bicycle have an angular velocity of +25.0 rad/s. Then, the brakes are applied. In coming to rest, What is the angular acceleration of each wheel
question1a playground merry-go-round of radius r 1.80 m has a moment of inertia i 255 kg.m2 and is rotating at 8.0
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