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In the diagram, Disk 1 has a moment of inertia of 3.40 kg m^2 and is rotating in the counterclockwise direction with an angular speed of 7.10 rad/s about a frictionless rod passing through its center. A second disk rotating clockwise with an angular speed of 9.70 rad/s falls from above onto Disk 1. The two then rotate as one in the clockwise direction with an angular speed of 2.40 rad/s. Determine the moment of inertia of Disk 2.
an aluminum cup of 95 cm3 capacity is filled with glycerin at 18degc. how much glycerin if any will spill out of the
Two guitarists attempt to play the same note of wavelength 6.49 cm at the same time, but one of the instruments is slightly out of tune and plays a note of wavelength 6.52 cm instead. What is the frequency of the beat these musicians hear when the..
a car travels up a hill at a constant speed of 55 kmh and returns down the hill at a constant speed of 22 kmh.
While lifeguarding, Jenny is twirling a whistle in uniform circular motion next to herself (the whistle is moving in a vertical plane). The radius of the circular path is 55cm. The cord slips from her hands and the whistle moves off tangentially, by ..
Two college students having the same mass M roll toward each other on roller blades, each moving at the same speed v. What is the combined momentum of the two skaters?
a hydrogen atom is at rest in the n3 state and absorbs a photon of wavelength 500 nm ionizing the atom. assume all the
The plate on the back of a certain computer scanner says that the unit draws 0.29 A of current from a 120 V, 61 Hz line. Determine the root-mean-square current
A dragster starts from rest and accelerates down a track. Each tire has a radius of 0.320 m and rolls without slipping. At a distance of 389 m, calculate the linear speed of the dragster
A farsighted person can read printing as close as 25.0 cm when she wears contacts that have a focal length of 37.4 cm. What is the maximum angular magnification that the magnifying glass can provide for her
A car drives straight off the edge of a cliff that is 46 m high. How fast was the car traveling when it went over the cliff
What's the definition of quantum physics, in layman's terms?
A 1000 kg roller coaster starts from rest at height H= 25 m above the bottom of a 14 m diameter loop. What is the downward force of the track on the car
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