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A CD (radius 6.0cm) is spinning freely with an angular velocity of 400 rpm when a bug drops onto the CD a distance of 4.5cm from the center. If the CD slows to 300 rpm, what is the ratio of the bug's mass to the mass of the CD?
A particle with a +5.0 µC charge and a kinetic energy of 0.090J is fired into a uniform magnetic field of magnitude 0.10 T. If the particle moves in a circular path of radius 2.0 m, determine itsmass.
At the end of her routine, an ice skater spins through 8.00 revolutions with her arms always fully outstretched at right angles to her body.
A torque of 12 N ? m is applied to a solid, uniform disk of radius 0.50 m. If the disk accelerates at 5.7 rad/s2, what is the mass of the disk
If the electric field strength in air exceeds 3.0 ? 106 N/C, the air becomes a conductor, determine the maximum amount of charge that can be carried by a metal sphere4.9 m in radius
A 0.267 T magnetic ?eld in a mass spectrometer causes an isotope of sodium to move in a circular path with a radius of 0.068 m. what is the isotope's mass
If a photon is a wave and is moving (along the X-axis) at the speed of light, isn't any specific part of the wave moving faster than the speed of light? A specific point on the wave moves up and down yet is traveling in the X direction at the speed o..
Find the mechanical energy of a block-spring system having a spring constant of 0.67 N/cm and an oscillation amplitude of 1.5 cm
Calculate the horizontal force that must be applied to create an acceleratrion of 1.8g for a 1.2kg puck on a horizontal friction-free air table.
A heat pump uses 100J of work output heat at some temperature. what is the coefficient of performance for the heat pump
A horizontal force of 213 N is exerted on a 1.90 kg discus as it rotates uniformly in a horizontal circle (at arm's length) of radius 1.60 m. determine the time for one revolution of the discus. Round the answer to 2 decimal places.
A dart is thrown horizontally toward the bull's-eye, point P on the (non-standard size) dart board, How far away from the dart board did the dart thrower stand
Nitrogen at 5 X 10^5 Pa and 80 degrees C is on one side of a partition, occupying 1/3 of the volume of a 1.2 m^3 container. find the final pressure and temprature
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