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When mass M is tied to the bottom of a long, thin wire suspended from the ceiling, the wire's second-harmonic frequency is 150Hz . Adding an additional 1.5kg to the hanging mass increases the second-harmonic frequency to 270Hz.
What is M?
A frictionless pulley has the shape of a uniform solid disk of mass 4.00 kg and radius 28.0cm. A 3.60 kg stone is attached to a very light wire that is wrapped around the rim of the pulley, and the stone is released from rest. As it falls down, the w..
A copy of The History of the Decline and Fall of the Roman Empire by Edward Gibbon lies exactly in the middle of an otherwise empty 6.1m long bookshelf in Robarts Library. What is the speed at which the librarian raised the shelf
A constant magnetic field of magnitude 0.45 T is directed along the +y axis. The length of each rod is L = 1.3 m, and the speeds are the same, vA = vB = vC = 2.7 m/s. For each rod, find out the magnitude of the motional emf, and indicate which end..
small ferryboat is 4.00 m wide and 6.00 m long. When a loaded truck pulls onto it, What is the weight of the truck
Determine out the magnitude of the average force that the water exerts on the diver. This force is neoconservative.
Electromagnetic waves and sound waves can have the same frequency. What is the wavelength of 1.10 kHz ectromagnetic wave
The engine weighs 4500 newtons and it is lifted 1.5 meters up by the block and tackle system. The mechanic must apply a force of 225 newtons while pulling a total of 37.5 meters of chain by the block and tackle pulley system. What is the work done..
A loudspeaker of mass 20.00 {rm kg} is suspended the distance of h = 2.40 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.50 {rm m}.
During a research experiment on the conduction of current in the human body, a medical technician attaches one electrode to the wrist, what is the overall resistance of the patient's arm
A very light rigid rod with a length of 0.523 m extends straight out from one end of a meter stick. Determine the period of oscillation of the system
a small ball bearing is illuminated with blue light from an argon ion laser (4880 A.) What is the diameter of the ball bearing
At 273 K and 1.00 x 10^-2 atm, the density of a gas is 1.24 x 10^-5 g/cm3. Find the Molar Mass of the gas
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