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The following is a standard problem found in many textbooks:
Problem: One way to determine charge is to integrate current (since current is the derivative of time varying charge). How might that be done?
For some reason I keep getting it wrong I don't know if it's a calculation error. Please show your work so I can see what I'm doing wrong!
A crate is dragged 3m across a rough floor at a constant speed by a worker applying 500N at an angle of 30 deg above the horizontal. How many forces act on the crate
An Earth satellite moves in a circular orbit 665 km above the Earth's surface. The period of the motion is 97.8 min. What is the magnitude of the centripetal acceleration of the satellite
An AC generator consists of 8 turns of wire in a loop or coil, the cross-sectional area of the loop is A=0.09 m2, with a total resistance of 12Ω. The loop is rotating in a magnetic field B=0.5T at a constant rate of 60Hz. Discover the maximum EMF and..
In order to study the long-term effects of weightlessness, astronauts in space must be weighed (or at least "massed"). Find the mass of the astronaut
A disk of radius R = 9 cm is pulled along a friction less surface with a force of F = 15 N by a string wrapped around the edge. At the instant when d = 28 cm of string has unwound off the disk, what is torque exerted about the center of the disk.
Inside a sealed wooden box of mass M there hangs, by a thread of negligible mass, a lead pellet also of mass M. What is the acceleration of the center of mass of the system of box
A 19.3-g mass of gold in the form of a cube is 1 cm long on each side ( somewhat smaller than a sugar cube). What would be the length of the side of a cube having twice this mass of gold?
Two earthquake waves of the same frequency travel through thesame portion of the Earth, but one is carrying twice the energy. What is the ration of the amplitudes of the two waves
A typical lightning flash delivers about 30C of negative charge from cloud to ground. How many electrons are involved
A 1.50*10^3-kg car starts from rest and accelerates uniformly to 19.1 m/s in 12.0 s. Find the average power developed by the engine
The surfaces of the lens have radii of curvature 27.1 cm (located on the object side of the lens), determine the index of refraction
Kim says that she was less than 10 ft away from the president when she took a picture of him with her 53-mm focal length camera lens. How close was Kim to the president when she took the picture
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