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Waterslides are nearly frictionless , hence can provide bored students with high speed thrills. One such slide,DerStuka, named for terrifying German dive bombers of World War II, is 72.0ft high (21.9m) found at Six Flags in Dallas, Texas.
(a) Determine the speed of a 60.0kg woman at the bottom of such slide , assuming no friction is present
(b) If the woman is clocked at 18.0m/s at the bottom of the slide, find the work done on the woman by friction.
Two point charges lie on the x axis. A charge of +9.5 µC is at the origin, and a charge of -9.5 µC is at x = 10.0 cm, What is the net electric field at x = -4.0 cm
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A group of people with total mass 1500 kg stands in a boat with mass 12,000 kg at rest in frictionless water. If the whole group walks 6.5 m from bow to stern, how much does the boat move in meters
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A stick with length 2R has uniform linear charge density λ. Con- sider a point P, a distance ηR from the center (where 0 ≤ η 1), and an infinitesimal distance away from the stick. Up close, the stick looks infinitely long, as far as the E comp..
The focal lengths of the objective and the eyepiece in a microscope are 0.290 centimeter and 2.5 centimeter, correspondingly. Find how far from the objective will this image be formed
A 0.30 kg puck, initially at rest on a frictionless horizontalsurface, Find the fraction of kinetic energy lost in the collision
Three sheets of plastic have unknown indices of refraction. Sheet 1 is placed on top of sheet 2, what is the expected angle of refraction in sheet 3
A battery's ideal voltage is 12.0 V; its internal resistance is 1.46 ohms. what is the actual voltage supplied by the battery
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