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Question: A picture frame hung against a wall is suspended by two wires attached to its upper corners
Part A: If the two wires make the same angle with the vertical, what must this angle be if the tension in each wire is equal to 0.75 of the weight of the frame? (Neglect any friction between the wall and the picture frame.)
In a certain library the first shelf is 15.0 off the ground, and the remaining four shelves are each spaced 32.0 above the previous one. If the average book has a mass of 1.7 with a height of 18 , and an average shelf holds 25 books, how much work is..
The electric potential difference between the ground and a cloud in a particular thunderstorm is 9.3 x 109 V. What is the magnitude of the change in the electric potential energy (in eV) of an electron that moves between the ground and the cloud?
A professional skier reaches a speed of 56 m/s on a 30degree ski slope. Ignoring friction, what was the minimum distance along the slope the skier would have had to travel, starting from rest.
you have 15 m of wire a constant magnetic field of 0.35 t and a device that can rotate a coil at a fixed frequency of
A satellite has a mass of 105 kg and is located at 2.0*106 m above the surface of Earth. What is the potential energy associated by the satellite at this location? What is the magnitude of the gravitational force on the satellite?
a 10-cm-long thin glass rod uniformly charged to 13.0 ncand a 10-cm-long thin plastic rod uniformly charged to
A 4700000 kg spaceship moves away from Earth with a speed of 0.71 c. What is the magnitude of the ship's classical momentum
Use time-domain modeling to determine an electrical system that is analogous to the liquid system of Figure, where pi is the input pressure and p0.
A solid disk of radius 7.50 cm and mass 1.25 kg, which is rolling at a speed of 1.50m/s , How long will it take for the disk to come to a stop
Calculate its average velocity for the entire trip. A horse canters away from its trainer in a straight line, moving 120 m away in 15.0 s. It then turns abruptly and gallops halfway back in 5 s.
Examine and completely illustrate an experiment to determine the force acting on a charge because of the combination of forces
A playground merry-go-round has a disk-shaped platform that rotates with negligible friction about a vertical axis. determine how fast will the disk be turning
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