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In a museum exhibit, three equal weights are hung with identical wires. Each wire can support a tension of no more than 72.0N without breaking. Start each of the following parts with an appropriate free-body diagram
b) Under these conditions, what is the tension in the top wire?
c) Under these conditions, what is the tension in the middle wire?
d) Under these conditions, what is the tension in the lowest wire?
A point charge Qpt= 10nC is surrounded by an insulating material and stuffed inside a spgerical steel shell iwth inner radius R1=1cm and outer R0=2cm; What is the net charge of the steel shell
Assume that the speed of light in a vacuum has the hypothetical value of 7.32 m/s. In a pickup baseball game, who is standing at home plate
A uniform cylinder of radius 11 cm and mass 24 kg is mounted so as to rotate freely about a horizontal axis that is parallel to and 4.6 cm, What is the rotational inertia of the cylinder about the axis of rotation
A bungee jumper with mass 60.0kg jumps from a high bridge. after reaching his lowest point, estimate the unstretched length of the bungee cord assuming SHM
A 500 g block slides along a frictionless surface at a speed of 0.35m/s .it runs into a horizontal mass less spring with spring constant 50N/m that extends outward from a wall.
A toy cannon uses a spring to project a 5.24 g soft rubber ball. The spring is originally compressed by 4.96 cm and has a force steady of 8.03 N/m.
A baseball pitcher can throw a ball with a speed of 40m/s . He is in the back of a pickup truck that is driving away from you. What is the speed of the truck
The Balmer series in atomic hydrogen is the series of wavelengths emitted by the electron when it makes a transition from an energy level with n > 2 to the n = 2 level, Find the four largest wavelengths in the Lyman series
A computer disk is 8.0 in diameter. A reference dot on the edge of the disk is initially located at the disk accelerates steadily for 0.50, reaching 2000.
A flower pot fell of a windowsill and falls past the window below. you may ignore air resistance. it takes the pot .470s to pass the window, which is 1.80m hight. how far is the top of window below the windowsill from w/c the flower pot fell.
A charge of 3.0 uC(micro C) and a second charge are initially far apart. find the magnitude of the unknown charge
Old naval ships fired 14 kg cannon balls from a 250 kg cannon. It was very important to stop the recoil of the cannon, since otherwise heavy cannon would go careening across the deck of the ship. In one design, a large spring with spring constant 2..
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