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A solid ball rolls along the floor with a constant linear speed v.
(a) Obtain the fraction of its total kinetic energy that is in the form of rotational kinetic energy about the center of the ball.
Krot/Ktotal =
A fully charged capacitor with a voltage of 120 V is discharged through a resistor. At this time, what is the voltage across the resistor
illustrate what force should the second crewman pull so that the net force of the two crewman is in the forward direction?
questiona 664-turn circular-loop coil 11.2 cm in diameter is initially aligned so that its axis isnbspparallel to
A playground is on the flat roof of a city school, 5.9 m above the street below (see figure). The vertical wall of the building is h = 7.40 m high, Find the speed at which the ball was launched
problem 1 a ball is thrown from atop a cliff with an initial speed of 30 ms at an angle of 40o above the horizontal.
As a sailboat sails 53.0 m due north, abreeze exerts a constant force F1 onthe boat's sails. This force is directed at an angle west of duenorth. A force F2 of the same magnitude directed due north would do the same amount of work on the sailboat ove..
a car slows down uniformly from a speed of 45 kmh to rest with an acceleration of -0.50 ms2. how long did it travel
A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 54.35 diopters, and the lens-to-retina distance is 1.859 cm. How far is the blackboard from her eyes
Adult cheetahs, the fastest of the great cats, have a mass of about 7 kg and have been clocked at up to 70 mph 31m/s. By what factor would its kinetic energy change if its speed were doubled
calculate and compare the electron densities of a piece of aluminum 1 cm thick and a piece of iron of the same density
A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1360 Hz. What is the speed of the bird
a steam pipe is covered with 1.50 cm thick insulating material with a thermal conductivity of 0.200
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