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Question: A loudspeaker of mass 23.0kg is suspended a distance of h = 1.80m below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.90m. What is the tension T in each of the cables? Use 9.80 m/s^2 for the magnitude of the acceleration due to gravity.
an electric field of intensity 3.10 knc is applied along the x-axis. calculate the electric flux through a rectangular
three long wires hang vertically. the distance between wire 1and 2 is 20 cm. on the left, wire 1 carries an upwardcurrent of 1.4 A. the the right, wire 2 carries a downwardcurrent of 4.4 A. what is the magnitude and direction of the current in wire..
1) 5.0 g of white phosphorus are reacted with a limited amount of molecular chlorine to produce a colorless liquid A.
Prove that when reflected, a ray of light incident upon a plane mirror rotates through an angle of 2q if the mirror is rotated through an angle of q. The mirror rotates about an axis that is perpendicular to the plane of incidence of the ray.
Newton standing next to the leftmost blade, pulls the lever at the moment that Einstein's foot just passes the leftmost blade, thinking that this will position the right blade in the center of Einstein and will cut him in two.
Two trains are traveling toward each other at 30.5 m/srelative to the ground. One train is blowing a whistle at 500Hz. What frequency is heard on the other train in still air
But some conductors are transparent, including various electrolytes and indium tin oxide in LCD displays. What are the mechanisms by which conductors can be transparent?
an average-sized man is sitting in a big tanning room. the tanning radiation from the room walls is controlled by
A daring ranch hand sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree. How long (s) is he in the air
Two identical point charges (q = +6.95 10-6 C) are fixed at diagonally opposite corners of a square with sides of length 0.485 m. A test charge (q0 = -2.15 10-8 C), Determine the speed of the test charge
A string with a mass/length of 0.00200 kg/m is stretched between two points by a tension of 120 N. If the fundamental frequency is 660 Hz, then what is the distance among the two points?
After walking for 6.0 min on the way to school, a child discovers that her loonie is missing and there is a hole in her pocket.
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