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A rock is thrown from the roof of a building with a velocity v(0) at an angle alpha(0) of from the horizontal. The building has height h. You can ignore air resistance.
Calculate the magnitude of the velocity of the rock just before it strikes the ground.
The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneous breaks into two alpha particles, what is the force between the two alpha particles when they are 7.00 x 10^-15 m apart
A playground merry-go-round has a radius of 4.40 m and a moment of inertia of 255 kg*m^2 and turns with negligible friction about a vertical axle through its center. What is the average power supplied by the child
Air isn't a perfect electric insulator, but it has a very high resistivity of 3x10^13 omega*m. what fraction of the charge will flow across the air gap
A car is parked on a steep incline, making an angle of 37.0° below the horizontal and overlooking the ocean, when its brakes fail and it begins to roll. Starting from rest at t = 0, the car rolls down the incline with a constant acceleration of 3...
Skip text editor options A parallel plate capacitor has an area A=10 m2 and a separation of 1Ã-10-4m. How much charge is stored on the capacitor
The Doppler effect can be used to measure flow rates in blood. A sound wave is transmitted into a vein or an artery, What is the expected frequency shift
The core of an optical fiber has an index of refraction of 1.27, What is the critical angle for total internal reflection at the core-cladding interface
The membrane of the axon of a nerve cell is a thin cylindrical shell of radius r = 10-5 m, length L = 0.42 m, and thickness d = 10-8 m. Find the electric field through the membrane
Find the resistance between points A and B. A car starts from rest on a curve with a radius of 130 m and accelerates at 0.500 m/s^2. How many revolutions will the car have gone through as the magnitude of its total acceleration is 2.50 m/s^2.
A ball moving at 5ms collides head on elastically with a ball at rest. what are the velocities of the two balls after the collision
you look over at a really expensive diamond fish bowl. the fish in the bowl is at an angle of 75 to the normal. what angle does light exit the fish bowl
on a horizontal, frictionless table, an open-topped 5.30-kg box is attached to an ideal horizontal spring having force constant 360 N/m. Find the period of the resulting motion of the box
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