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Released from rest at the same height, a thin spherical shell and solid sphere of the same mass m and radius R roll without slipping down an incline through the same vertical drop H. Each is moving horizontally as it leaves the ramp. The spherical shell hits the ground a horizontal distance L from the end of the ramp and the solid sphere hits the ground a distance L' from the end of the ramp. Find the ratio L'/L.
A certain kind of glass has an index of refraction of 1.650for blue light of wavelength 430nm and an index of 1.615 for redlight of wavelength 680 nm. what is the angle between the two beams inside the glass
The world record for a high jump from a standing position is 1.90 m. With what speed must a jumper leave the ground to the attain this height
An x-ray tube is operated at 48200 V. Calculate the minimum wavelength of the radiation emitted by this tube
A stretched spring stores 2.2 of energy. How much energy will be stored if the spring is stretched three times as far
A textbook of mass 1.91 kg rests on a frictionless, horizontal surface. compute the tension in the part of the cord attached to the book
a plank of mass m and length L is attached to a wall at one end, What is the magnitude of the force f exerted on the plank by the wall in terms of D, m, L
A tennis player hits a 1.45 kg tennis ball with a racket of mass 2.5 kg. If he hits the ball with a velocity of 7.5 m/s and then stops, what impulse did he imply on the ball
In a region where there is an electric field, the electric forces do +8.00x 10^-19 J of work on an electron as it moves from point X to point Y.What is the potential difference, VY - VX, between point Y and point X?
One object is thrown vertically upward with an initial velocity of 100 m/s and another object with aninitial velocity of 10 m/s. What is the ratio of the maximum height reached by the first object to that of the second object?
What is the tangential acceleration of a bug on the rim of a 13.0-in.-diameter disk if the disk accelerates uniformly from rest to an angular speed of 77.0 rev/min in 3.50 s
A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.06 nm. What is the final state of the hydrogen atom
A white billiard ball with mass mw = 1.52 kg is moving directly to the right with a speed of v = 3.22 m/s and collides elastically with a black billiard ball with the same mass mb = 1.52 kg that is initially at rest. What is the final speed of the..
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