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Two pieces of steel wire with the same area of transversalsection have lengths "L" and "2L". The wires are fixed in bothextremes (SEPARATELY) so the tension in the larger wire is 4times bigger that the one of the shorter wire. If the fundamentalfrequency on the shorter wire is f0, what is the frequency of the second harmonic of the larger wire? Writeyour answer in terms of f0.
A worker on the roof of a house deops his 0.26 kg hammer, which slides down the roof at constant speed of 7.46 m/s. The roof makes an angle of 19 dergee with the horizontal, and its lowest point is 23.2 m from the ground.
How long must a 0.60 mm diameter silver wire be to have a 0.56 A current when connected to the terminals of a 1.5 V flashlight battery
q1. metal rod is 41.126 long at 23.0 and 41.149 long at 46.4 calculate the average coefficient of linear expansion of
A laser beam with wavelength Lambda= 6328 Å is incident normal to the plane of a diffraction grating. find the distance between the two first- order maxima in the pattern
A 20.0 m long wire with a square cross-section of 2.0 mm x 2.0 mm is made of a resistive material. When a potential difference of 40V is placed across the length of the rod, a current of 2.0 A is produced. What is the value and units of the resistivi..
Two charged bodies exert a force of 0.790N on each other. If they are moved so that they are one-fourth as far apart, what force is exerted.
A stuntman drives a car (without negative lift) over the top of a hill, What is the greatest speed at which he can drive without the car leaving the road at the top of the hill
a string stretched between two fixed ends vibrates in its second harmonic with a frequency f=2 Hz. if the velocity that links the frequency and wavelength is equal to 40 m/s, find the wavelength of the stationary wave
The minute hand of the Official Quiz Clock points to the 12 and is functioning normally until the quiz begins, How much quiz time do the students lose
An ideal spring is wrapped around a cylinder that is free to rotate with negligible friction about a stationary horizontal axis. Is independent of the moment of inertia of the cylinder
a car travels 20km at 15degrees north of west then turns and goes 30km at 10degrees east of south . find the carss
The magnetic coils of a tokamak fusion reactor are in the shape of a toroid having an inner radius of 0.700 m and an outer radius of 1.30 m. Find the magnitude of the magnetic field inside the toroid along the outer radius
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