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Question: A rotating wheel requires2.90s to rotate through 37.0 revolutions. Its angular speed at the end of the2.90s interval is98.2rad/s. What is the constant angular acceleration of the wheel?
Two objects are maintained at constant temperatures, one hot and one cold. Two identical bars can be attached end to end, as in part a of drawing, or one on top of the other, as in part b. When either of these arrangements is placed between the hot a..
given135kgswu price of natural uranium 45lb price conversion 11kg price of fabrication 290kg4.95 reactor fuel tails
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.59 x 104 m/s, What is the orbital speed of the second satellite
Billy is running on level ground with a speed of 3.5 m/s. He attempts to jump a ditch that is 1.5 meters wide. determine the minimum vertical component of velocity when he jumps
A 3.0 kg particle with velocity v = (5.0 m/s)i - (6.0 m/s) j is at x = 3.0 m, y = 8.0m. It is pulled by a 7.0 N force inthe negative x direction. What torque about the origin acts on the particle
Two point charges are on the y-axis. A 5.0 µC charge is located at y = 1.05 cm, and a -2.42 µC charge is located at y = -1.30 cm. Find the total electric potential at the origin
In a darkened room we place a lighted tungsten bulb in a box that has one end covered with tinfoil. If we make a pinhole in the tinfoil, an image of filament appears on a screen facing the tinfoil.
A steel wire 4.10m long has a mass of 6.10×10^?2 kg and is stretched with a tension of 1260N . What is the speed of propagation of a transverse wave on the wire?
Consider a cargo ship, with a mass of 5.0×10^8kg . If it is pushed by a tugboat motor (force 8.0×10^6 N), what will be the magnitude of its acceleration
A person standing on a bridge 120m above a river drops a 250g rock. At what speed does the rock hit the water
A man weighing 720 N lies on a bed of nails. Find the average pressure exerted by a nail on his skin if there are 1210 nails and the flattened point on each nail has a radius of 0.500 mm
Photorefractive keratectomy (PRK) is a laser-based surgery process that corrects near- and farsightedness by removing part of the lens of the eye to change its curvature and hence focal length. What is the energy of a single photon
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