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One of the 61.0cm -long strings of an ordinary guitar is tuned to produce the note B3 (frequency 245 Hz) when vibrating in its fundamental mode.
a) Find the speed of transverse waves on this string. (found it.. it's 299m/s)
b) If the tension in this string is increased by 2.5% what will be the new fundamental frequency of the string? (Can't figure out)
Four particles with masses 4 kg, 2 kg, 4 kg, and 2 kg are associated by rigid rods of negligible mass. The origin is centered on the mass in the lower left corner, and all the particles are located in Quadrant 1. The rectangle is 5 m wide and 4 m ..
Steam at 18 MPa and 600 C is contained in a cylinder of volume 0.5 m^3. Calculate the heat rejcted by the steam
Two blocks with masses M_1 and M_2 hang one under the other. For this problem, take the positive direction to be upward, find the tension in the lower rope
An electron moves with a speed of 8.0 × 10^6 m/s along the +-axis. It enters a region where there is a magnetic field of 2.5 T, Calculate the magnitude of the magnetic force on the electron
A Van de Graa? generator has a potential di?erence of 2.35 MV between the belt and the outer shell. What minimum power is needed to drive the moving belt
A parallel plate capacitor is constructed with plate area of 0.40 m^2 and a plate separation of 0.10mm. How much charge is stored on it
You have two weeks vacation and want to travel to a gambling space colony located 3.22 x 10^14 meters from Earth. how fast must you travel to accomplish this
The average intensity of sunlight at the top of the earth's atmosphere is 1390 W/m2. What is the most energy that a 30 m multiplied by 55 m solar panel might collect in one hour in this sunlight.
A circuit employs a silicon solar cell to detect flashes of light lasting 0.25 s. what is the minimum power of a flash of light of wavelength
A 79.0 kg man is riding in a shopping mall. The escalator moves the man at constant velocity from ground level to the floor above, the vertical height of 4.40m.What is the work completed on the man by the gravitational force and the escalator.
A 4.0 kg block is released from rest at the top of a 30 degree frictionless incline. The block makes a head on elastic collision with another 3.0 kg block initially at rest on a horizontal surface at the bottom of the incline.
An electron is a subatomic particle (m = 9.11 10-31 kg) that is subject to electric forces. Find the magnitudes of the net force acting on the electron
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