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The flywheel in a car is a solid cylinder with a mass of 100 kg, a radius of 12 cm, and a length of 5.0 cm. It is rotating about an axis through its center (Table 11.2 (c)) at 4400 rpm (revolutions per minute).
(a) What is the kinetic energy of the cylinder? J
(b) Suppose that all this rotational kinetic energy could be transformed into translational kinetic energy of the car, mass 1200 kg. If the car started from rest, what would its final speed be? m/s
When light of a certain waveleght is incident normally on a certain diffraction grating the line of order 1 ia at a diffraction angle 25 Degrees
A large bouncy ball with a mass of 209 g is dropped straight down and then bounces back up to a height that is slightly lower than the point from which it was dropped. compute the magnitude of the average force that the floor exerts on the ball
Two charged spheres are 19 cm apart. They are moved, and the force on each of them is found to have been quadrupled. How far apart are they now.
A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1360 Hz. The bird-watcher, however, hears a frequency of 1430 Hz. What is the speed of the bird, expressed as a percentage of the speed of sound?
A total charge Q = -4.6 x10^-6 C is distributed uniformly over a quarter circle arc of radius a = 7.4 cm, What is the linear charge density along the arc
A reaction vessel contains 8.06 g of H2 and 64.0 gof O2 at a temperature of 125?C and a pressure of 125kPa. What is the volume of the vessel
Assume that when you ride on your 7.60-kg bike the weight of you and the bike is supported equally by the two tires. If the gauge pressure in the tires is 78.5 lb/in2 and the area of contact between each tire and the road is 7.13 cm2, what is your we..
A force F= (6x - 2y)N acts on a particle that undergoes a displacement delta r= (3x + y)m. Find (a) the work done by the force on the particle and (b) the angle between F and r.
Consider a rectangular metal loop of length of 0.15m and width of 0.08m. Determine the emf induced in the wire on the left side of the loop
A K+ ion and a Cl ion are directly across from each other on opposite sides of a membrane 8.9 nm thick. What is the electric force on the K+ ion due to the Cl ion? Ignore the presence of other charges. What direction will it go in relation to the ..
Ash "the working bee" decides to gather pollen and in her quest flies 50 meters from a beginning point at 0° along the west and finds nothing. Determine the displacement and direction of the bee
Water is moving at a speed of 7.55 m/s through a fire hose with an internal diameter of 5.99 cm. What is the gauge pressure of water in the hose
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