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A flywheel in the form of a heavy circular disk of diameter 0.600 meters and mass 200 kg is mounted on a frictionless bearing. A motor connected to the flywheel accelerates it from rest to 1000 revolutions/minute. How much work is done on it during this acceleration?
How many electrons are transferred. What is the smallest thickness of a soap film that would appear black if illuminated with 490 light? imagine there is air on both sides of the soap film.
A 0.12- kg ball is moving at 6 m/s when it is hit by a bat, causing it to reverse direction and have a speed of 14 m/s. what is the change in the magnitude of the momentum of theball?
a small negatively charged particle has a charge of 1.33e-6 c and a mass of 8 mg. it moves from point a where the
A rubber ball of mass 24.5 g is dropped from a height of 2.05 m onto a floor. The velocity of the ball is reversed by the collision with the floor,and the ball rebounds to a height of 1.30m. What impulse was applied to the ball during the collision?
Iterates until convergence is reached (the previous guess for the velocities is not significantly different from the current guess and calculates the friction factor for the current guess of velocities.
You want to photograph a circular diffraction pattern whose central maximum has a diameter of 1.32 cm. How far behind the pinhole should you place the viewing screen
A transformer is to be used to provide power for a computer disk drive that needs 6.0 V (rms) instead of the 120 V (rms) from the wall outlet. The number of turns in the primary is 420, and it delivers 500 mA (the secondary current) at an output v..
An empty 13461 kg coal car is coasting on a level track at 6.7 m/s. Suddenly 4761 kg of coal is dumped into it from a chute directly above it. Find the final speed of the car
a muonic atom consists of a muon m 106 mevc2 in place of an electron. for the muon in a hydrogen atom what is a the
a 2.0-kg block slides on a frictionless 15 degree inclined plane. a force acting parallel to the incline is applied to
A sound wave traveling at 343 m/s is emitted by the foghorn of a tugboat. An echo is heard 1.70 s later. How far away is the reflecting object
Discover the magnitude of acceleration
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