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Two wires are anchored at both ends. Wire 1 has a mass of 85 g and a length of 5.2 m. Wire 2 has a mass of 50 g, a length of 20 m and a tension of 155 Newton. Evaluate what must be the tension in Wire 1 if its third harmonic is to equal the first overtone of Wire 2?
A very long solenoid of circular cross section with radius R = 4.0 cm, is centered on, and has its length parallel to, the z axis. What direction is the force on the proton
q1. a vaulter holds a 31.67-n pole in equilibrium by exerting an upward force u with her leading hand and a downward
Galaxy A is measured to be receding from us with a speed of 0.75c. Galaxy B, located in precisely the opposite direction, is found to be receding from us at a speed of 0.85c. a) What recessional speed would an observer on Galaxy A find for our galaxy..
a spherical conductor of radius 7.00mm carries a surface charge density of 9.00 microC/mm2. How much stored energy is there between the spheres
a ship has a propeller drive shaft that is turning at 1500rmrevkern 1pt rmkern 1pt rmmin while developing 1750hp . it
A piece of moon rock reads 3.261 N on a scale when in air, but 2.074 N in a fluid having a density of 870 kg/m3. What is the density of the moon rock in kg/m3
A log splitter uses a pump with hydraulic oil to push a piston, which is attached to a chisel. find the power needed to operate the log splitter's pump
The electric field between two equal but opposite point charges, at a point four-ninth the distance from the negative charge to the positive charge, is 4.39*10
An arrangement of two pulleys, as shown in the figure, is used to lift a 46.0-kg mass a distance of 3.20 m above the starting point. What is the change in the potential energy of the weight when it is lifted a distance of 3.20 m
A small statue has a height of 3.2 cm and is placed in front of a concave mirror. Find the focal length of the mirror
Suppose that the electric field in the Earth's atmosphere is E = 1.38 102 N/C, pointing downward. Determine the electric charge in the Earth
A 3.5 kg particle is projected with an initial speed of 4 m/s along a surface for which the coefficient of kinetic friction is 0.7 . Find the distance it travels given that the surface is horizontal
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