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Two telephone poles are separated by 40 m and connected by a wire. A bird of mass 0.50kg lands on the wire midway among the poles, causing the wire to sag 2.0 m below horizontal. Assuming the wire has negligible mass, what is the tension in the wire?
The Royal Gorge bridge over the Arkansas River is 310 m above the river. A 61-kg bungee jumper has an elastic cord with an unstressed length of 60 m attached to her feet. Assume that, Find the maximum speed of the jumper
A pulley is attached to the ceiling (as shown in the figurebelow). Spring scale A is attached to the wall and a rope runshorizontally from it and over the pulley. The same rope is then attached to spring scale B
compute the magnetic flux through a rectangular coil of dimensions 6cmx8cm along the x-z plane if the magnetic filed of
charges q q and -q are placed on the x-axis of x0 x2m and x4m respectively. at which of the following points does the
a space cowboy wants to eject from his spacecraft 1.60times105rm km after passing a space buoy as seen by spectators at
While the repair shop works on your voltmeter, they loan you anunusual replacement: Rather than measuring the potential differenceacross a resistor, it measures the amount of charge that flowed,and the change in electric potential energy of that c..
A 3.00-m long rod is hinged at one end. The rod is initially held in the horizon position, and then released as the free end is allowed to fall. What is the angular acceleration as it is released
A projectile is launched at 45.0 degrees with the horizontal. Its initial speed is 250. m/s. what is the speed and direction of the object when it lands
During the launch from a board, a diver's angular speed abouther center of mass changes from zero to 7.00 rad/s in 310 ms. what was the magnitude of heraverage angular acceleration
a convex mirror has a focal length of magnitude 1.92cm.a if the image is virtual what is the object location for which
What are the similarities and differences between the virtual image formed of an object by a plane mirror and the virtual image of the same object, the same distance away from a convex mirror?
A 9960 lb rocket is launched straight up, starting at rest. The thrust force pushing the rocket upward is 20000 lb. Air resistance exerts a force of 4000 lb (assumed constant). Think the point at which the rocket is 5.0 miles up.
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