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A guitar string has a tension T, length L, and diameter D. Give the multiplicative factor by which the fundamental frequency of the string changes under the following conditions: (a) The tension in the string is increased by a factor of 4. The diameter is D and the lenght is L. (b) The diameter of the string is increased by a factor of 3. The tension is T and the length is L. (c) The length of the string is halved. The tension is T and the diameter is D.
A string is wrapped around a disk of mass m = 1.9 kg and radius R = 0.12 m. Starting from rest, you pull the string with a constant force F = 8 N along a nearly frictionless surface. At this instant, how much rotational kinetic energy does the disk..
for all problems of this assignment consider nuclear power plant npp with pressurized water reactor pwr. reactor have
The weight of passengers on a roller coaster increases by 53% as the car goes through a dip with a 35m radius of curvature
The density of air at standard temperature and pressure (STP) is 1.20 kg/m^3 how much mass could this balloon carry
A uniform rectangular 87.25 kg refrigerator with height h = 2.089 m and width w = 1.115 m is pushed at a constant velocity across a level floor. The refrigerator is pushed in the horizontal direction halfway between the floor and the top of the refri..
the planet neptune is 4.5 x1012m from the earth. its diameter is 4.9 x 107m. what diameter telescope objective would be
a copper block is removed from a 306 oven and dropped into 1.30 of water at 20.5. the water quickly reaches 25.9 and
A hydrometer is used to measure the specific gravity of liquids. For a sure liquid a hydrometer reading indicates a specific gravity of 1.15. What is the liquid's density and specific weight? State the answer in SI units.
How much current would be through a copper wire of length 10 m and a diameter of 1 mm, which is connected parallel to a battery of 12 V
Two shuffleboard disks of equal mass, one orange and the other green, are involved in a perfectly elastic glancing collision. Determine the speed of each disk after the collision
A flywheel rotates at 7200 rev/min when the power is suddenly cut off. How many revolutions does the flywheel makes before coming to rest
An ideal gas initially at Pi, Vi, and Ti is taken through a cycle as shown in the figure below where n = 5. Find the net work done on the gas per cycle
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