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Suppose we want a satellite to revolve around the Earth 10 times a day. What should the radius of its orbit be? (Neglect the presence of the moon.)
A sinusoidal voltage %u0394v = (75 V) sin (180t) is applied to a series RLC circuit with L = 20 mH, C = 155 %u03BCF, and R = 30 %u03A9. What is the maximum current in the circuit
A factory worker pushes a 30.6kg crate a distance of 4.8m along a level floor at constant velocity by pushing downward at an angle of 31 degrees below the horizontal. What is the total work done on the crate
a jogger maintains a speed of 3.2 ms for 216 m until he encounters a stoplight and he abruptly stops and waits 29 s for
The gas pressure drops during the process so the average is 600 kPa with an outside atmosphere at 100 kPa. Neglect the change in gas kinetic and potential energy, and find the needed change in the gas volume.
In a laboratory, light from a particular spectrum line of helium passes through a diffraction grating and the second-order maximum is at 18.9 degrees from the center of the central bright fringe. What is the angular location of the second-order max..
A boy of mass 48.7 kg is initially on a skateboard of mass 2.00 kg, moving at a speed of 10.4 m/s. The boy falls off the skateboard, and his center of mass moves forward at a speed of 11.1 m/s. discover the final velocity of the skateboard.
A small, rigid object carries positive and negative 3.00-nC charges. It is oriented so that the positive charge has coordinates (?1.20 mm, 1.00 mm) and the negative charge is at the point (1.50 mm, ?1.30 mm).
A flat circular coil with 171 turns, a radius of 5.85E-2 m, and aresistance of 0.373 Ω is exposed to an external magnetic fieldthat is directed perpendicular to the plane of the coil.
An astronomical telescope is being used to examine a relatively close object that is only 146.00 meter away from the objective of the telescope. obtain the angular magnification of this telescope
A ball of mass 1.5 kg is thrown upward. It leaves the thrower's hand with a velocity of 10 m/s. After the ball hits the thrower's hand, it comes to rest in a time of .25s. Define is the net impulse exerted on the ball?
A spherical object has an outside diameter of 50.0 . Its outer shell is composed of aluminum and is 1.80 thick. The remainder is uniform plastic with a density of 810. Determine the object's average density.
A camera lens used for taking close-up photographs has a focal length of 21.5 mm. The farthest it can be placed from the film is 30.0mm. What is the closest object that can be photographed
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