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To throw the discus, the thrower holds it with a fully outstretched arm. Starting from rest, he begins to turn with a constant angular acceleration, releasing the discus after making one complete revolution. The diameter of the circle in which the discus moves is about 1.6 .
If the thrower takes 1.2 to complete one revolution, starting from rest, what will be the speed of the discus at release?
Two circular disks, each of area 1.90E-4 m2, are situated parallel to one another. The distance between them is small compared with their radii, Compute the force exerted by one on the other
A 12.7-kg block initially slides at 13.1 m/s on a flat rough surface and eventually stops. what is the entropy change of the system
A 13g rifle bullet traveling 150m/s buries itself in a 3.7 kg pendulum hanging on a 2.9 m long string, which makes the pendulum swing upward in an arc. Resolve the horizontal component of the pendulum's maximum displacement.
Coherent light from a sodium-vapor lamp is passed through a filter that blocks everything except for light of a single wavelength. What is the wavelength of the light that falls on the slits
Tritium with a half-life of 12.3 years is used to verify the age of expensive brandies. how many years ago was it produced
White light, with frequencies ranging from 4.20×1014 Hz to 7.74×1014 Hz, is incident on a calcium surface. Calculate the lowest frequency for which no electrons are ejected
A ship has a mass of 40000 kg. its energy gives it an acceleration of 0.27 m/s while it travels a distance of 105 meters from rest. what force does the engine exert on the ship.
define the effect of inertia on how far each can rolls.
A laser beam is incident at an angle of 29.2° to the vertical onto a solution of corn syrup in water. what is the index of refraction of the syrup solution
A uniform solid sphere rolls without slipping down a 15° inclined plane. What is the acceleration of the sphere's center of mass
Electrons are ejected with a maximum velocity of 5.1 x 105 m/s from a metal when illuminated by photons with a wavelength of 440 nm. calculate The energy of the incident photons
What is the distance of closest approach of the two particles? (Assume that the gold nucleus remains stationary
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