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Two metal balls A and B of negligible radius, connected by a taut nonconducting thread of length 1.95 m, are floating at rest on Space Station Freedom between two metal bulkheads. Ball A carries charge q, and ball B carries charge 2q. Each ball is 1.22 m away from a bulkhead.
A disk-shaped space station 175 m in diameter spins uniformly about an axis perpendicular to the plane of the disk through its center. How many rpm (rev/min) must this disk make
A single convex lens projects a focused image of an object onto a screen. If the lens is 15 cm from the object and and 36 cm from the screen, what is the focal length of the lens
An object with mass 2.6kg is attached to a spring with spring stiffness constant 260N/m and is executing simple harmonic motion. find the maximum velocity attained by the object
A thin uniform rod has a length of 0.510m and is rotating in a circle on a frictionless table. The axis of rotation is perpendicular to the length of the rod at one end and is stationary. What is the mass of the rod and bug
A glass is slid across a table top, goes off the edge and falls to the floor below. With what velocity did the glass leave the table top
Calculate the fundamental frequency for an organ pipe, with an effective length equal to 12.0 m that is open at both ends. Use 343 m/s as the speed of sound in air
At some automobile toll-collecting stations, a thin metal wire sticks up from the road and makes contact with cars before they reach the toll collector. What is the purpose of this wire?
A 3.0-kg wheel in the form of a solid disk rolls along a horizontal surface with a speed of 5.0 m/s. What is the total kinetic energy of the wheel
You stand with your nose 5.0cm from the surface of a reflecting ball, and your nose's image appears three-quarters full size. What is the balls diameter?
Two metal balls A and B of negligible radius, connected by a taut nonconducting thread of length 2.40 m, are floating at rest on Space Station Freedom between two metal bulkheads. Ball A carries charge q, and ball B carries charge 2q.
A particular engine has a power output of 4.27 kW and an efficiency of 22.2%. The engine expels 7236 J of energy as heat in each cycle. Find the energy absorbed in each cycle
Rahm was coasting on interstate highway I-35 from Wichita to Kansas City at 65 mph. How far from the accident does he come to a stop
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