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Question: A curve of radius 56 m is banked so that a car traveling with a uniform speed of 54 km/hr can round the curve without relying on friction to keep it from slipping to its left or right. What is theta?
A 2.00 Kg wagon is pulled by a constant force of F= 72.0 Nat an angle θ = 60.0 on a level surface for a distance of 1.00m. There is no friction and the wagon is initially atrest.
A coin rests on the bottom of a beaker filled with an unknown liquid. A ray of light from the coin travels to the surface of the liquid and is refracted as it enters into the air. How fast is the light traveling in the liquid
Positive electric charge is distributed in the shape of an infinitely long insulating cylinder of radius R and volumetric charge density ?=?0(1-r/R), Find an expression for the linear charge density
Two photons are produced when a proton and an antiproton annihilate each other. What is the minimum frequency and corresponding wavelength of each photon?
An asteroid, who's mass is 7.8 × 10-4 times the mass of Earth, revolves in the circular orbit around the Sun at a distance that is 2.5 times the Earth's distance from the Sun.
The wavelength of an ocean wave
A train traveling east at a speed of 25.0 m/s moving directly awayfrom a stationary observer. a strong, steady wind of 20.0 m/s isblowing from east to west. At a distance of 50.0 meters away fromthe observer, the train's whistle is blown and the o..
a 30 kg child on a sled slides down a frictionless slope angled at 15 degrees with respect to the horizontal. what is the magnitude of the wind force, F, such that the acceleration of the child is 1 m/s^2
A narrow beam of white light is incident at 30? on a 11.0cm -thick piece of glass. What is the index of refraction for deep violet light
An ambulance passes a bus stop at 50m/s with a siren of 340Hz, What is the wavelength heard by the bus stop costumers as the ambulance approaches
Two parallel plates of 10-4 m2 in area aregiven equal and opposite charges of 10-7 C. The spacebetween the plates is filled with a dielectric material and the electric field within the dielectric is 3.3×10-5N/C. Determine the dielectric constant of t..
In two successive chess moves, a player first moves his queen two squares forward, then moves the queen five steps to the left (from the player's view). At what net angle was the queen moved
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