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A circus performer stretches a tightrope between two towers. He strikes one end of the rope and sends a wave along it toward the other tower. He notes that it takes the wave 0.960 second to reach the opposite tower, 20.0 meter away. If a 1 meter length of the rope has a mass of 0.345 kilogram, compute what the tension in the tightrope.
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a crate weighing 6.90 103 n is pulled up a 37deg incline by a force parallel to the plane. if the coefficient of
A person is standing on the edge of a disk of radius R rotating about its axis. the person walks to a postition of R/4. Is a coeficient of static friction of 0.7 enough to keep the person from slipping when they are at a position of r= R/4.
a 0.5kg block at rest on a table is attached to a horizontal spring with a spring constant k200 nm. the spring is
Assume the masses described in the preceding problem are 1kg and 100kg in that order. Compare the accelerations while they are interchanged.
A pendulum consisting of a ball of mass m hanging from a massless rope is dropped from a height h. How high does the ball on the pendulum rebound from its collision with the block
The electric field of a sinusoidal electromagnetic wave obeysthe equation E = - (375 (V/m))sin ((5.97 * 10^15(rad/s)) t +(1.99 * 10^7(rad/m))x). What is the amplitude of the electric field of this wave
A long straight wire, which carries a current I = 10 A in the negative-y direction, lies in a plane containing a single turn rectangular wire loop, by dimensions of width, a = 5.0 cm, and length, b = 10.0 cm.
The position of a particle moving along the x axis is given in centimeters by x = 9.75 + 3.50t 3, where t is in seconds. Calculate the average velocity
The cross-sectional area of region A in the pipe is 1.05m^2, and the cross-sectional area of region B in the pipe is 0.740m^2. What is the speed of the water in region A of the pipe
A wrench 0.500 meter long is applied to a nut with a force of 80 Newton. Determine how much torque is applied to the nut
Sound is passing perpendicularly through an open window whose dimensions are 1.1 m x 0.75 m. How much sound energy comes through the window in one hour
Find the work done by the force on the particle as it moves across the following distances, from x = 0 m to x = 4.00 m
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