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A 12 g bullet is fired horizontally into a 96 g wooden block initially at rest on a horizontal surface. After impact, the block slides 7.5 m before coming to rest. If the coefficient of kinetic friction between block and surface is 0.60, what was the speed of the bullet immediately before impact?
A centrifuge in a medical laboratory rotates at an angular speed of 3800 rev/min. Find the constant angular acceleration of the centrifuge
Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 363 km above the earth's surface, Find the orbital speed for satellite A and satellite B
A box stands against the wall of a cylinder that is rotating. The cylinder has a radius of 30cm. What is the minimum consant speed (magnitude of linear velocity) the box must move so it doesn't slip
Two spherical shells have a common center. A -2.1 10-6 C charge is spread uniformly over the inner shell, which has a radius of 0.050 m. A +5.0 10-6 C charge is spread uniformly over the outer shell.
Light of wavelength 5.60 multiply.gif 102 nm passes through a slit of width 0.180 mm. Determine the width of the first-order bright fringe
An airplane flies from city A and arrives at city B which is located 600 km North of city A it flies the first 300km/h, find the Average velocity of the plane
Calculate the y-component of the magnetic force. How fast must the candy bar travel to have the same joules in the form of kinetic energy.
What is the electrical force between a two charges that each has a charge value of .0004 C each that are 2 meters apart
Suppose the highway is icy and the coefficient of friction between the tires and pavement is only one-third what you found in part A. What should be maximum speed of the car so it can round the curve safely?
What is the maximum sideways angle. What is the train's acceleration after its wheel begins to stick.
The muon is an unstable particle, with a mean lifetime of 2.5x10^-10 seconds. What is the minimum uncertainty in this particle's energy
A typical wall outlet voltage is 120 volts in the United States. calculate the number of turns on the secondary coil of the adapter transformer
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