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A large block 19.0 cm wide, 20.0 cm long, and 24.00 cm high of mass 4.55 kg. This block is passing through air (density ?air = 1.43 kg/m3). Calculate the terminal velocity of the block if it is traveling downward with a drag coefficient ? = 0.822.
A student on a piano stool rotates freely with an angular speed of 3.05 rev/s. Calculate the initial kinetic energy of the system
20 g of helium are placed in a cylinder with a movable piston. What is the maximum temperature reached during the compression
A 662 KeV photon from 137Cs is compton scattered at an angle 60, calculate the energy of the scattered photon
A model rocket is launched straight upward. Its altitude y as a function of time is given by y = bt -ct2, where b = 82 m/s, c = 4.9 m/s2, t is the time in seconds, and y is in meters, (a) make use of differentiation to find out a general expressio..
The image behind a convex mirror (radius of curvature = 74 cm) is located 22 cm behind the mirror. What is the magnification of the mirror?
Two converging lenses, each of focal length 14.2 cm, are placed 59.9 cm apart, and an object is placed 26.6 cm in front of the first. determine the magnification of the system
Suppose that a particle accelerator is used to move two beams of particles in opposite directions. In a particular region, electrons move to the right at 9350 m/s and protons move to the left at 1681 m/s. The particles are evenly spaced with 0.085..
A board is 6 meters long. The center of mass is in the 2 meters from the left end. The board has a weight of 320 Newton's. How much force in Newtons is necessary to lift the right end while the other end stays on the ground.
How long does it take for the top to complete first five revolutions? The string is long enough that it is wrapped around the top more than five turns.
A parallel-plate capacitor has 3.95 cm2 plates that are separated by 4.29 mm with air between them. how much energy does it store
An FM radio station broadcasts an oscillating radio wave, What is the frequency of the oscillations in the radio transmitter
A ball thrown upward returns to the same level after 4s in the air. How long would that ball take to reach the same level
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