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A 60 kilogram ball is tied to the end of a 50 centimeter long string and swung in a vertical circle. The center of the circle is 150 centimeter above the floor. The ball is swung at the min speed necessary to make it over the top without the string going slack. If the string is released at the instant the ball is at the top of the loop, find how far to the right does the ball hit the ground?
analog data having highest harmonic at 30 khz generated by a sensor has been digitized using 6 level pcm. what will be
A U-shaped tube, open to the air on both ends, contains mercury. Water is poured into the left arm until the water column is 16.5cm deep.
A ray of light strikes a flat, 2.00-cm-thick block of glass (n = 1.54) at an angle of ? = 29.2° with respect to the normal (see figure below). Find the angle of refraction at the top surface. Find the angle of incidence at the bottom surface and the..
You slide a box of books at constant speed up a 30 degree ramp, applying a force of 170N directed up the slope. What is the mass of the box
An airplane is flying with a velocity of 92.0 m/s at an angle of 23.0 above the horizontal. How far from the dog will the suitcase land
A current with sinusoidal time-dependence, whose peak value is 3.55 A and frequency is 775 cycles per second, Calculate the average power dissipated by the loop
An object with a height of 42 cm is placed 2.3 m in front of a concave mirror with a focal length of 0.55 m. Find the location and magnification of the image produced by the mirror
A neutron star has a mass of 2.0 1030 kg (about the mass of oursun) and a radius of 4.8 103 m (about the heightof a good-sized mountain). Suppose an object falls from rest nearthe surface of such a star. How fast would it be moving after ithad fall..
What is the Bens kinetic energy
The resistance and the magnitude of the current depend on the path that the current takes. The drawing shows three situations in which the current takes different paths through a piece of material. Each of the rectangular pieces is made from a mat..
question a group of swimmers is resting in the sun on an off-shore raft. they estimate that 3.44 m separate a trough
A diver runs horizontally off the end of a diving board with an initial speed of 1.70 m/s, what is the diver's speed just before she enters the water
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