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A coin with a diameter of 2.40 cm is dropped on edge onto ahorizontal surface. The coin starts out with an initialangular speed of 18.0 rad/s and rolls in a straight line withoutslipping. If the rotation slows with an angular accelerationof magnitude 1.90 rad/s2, how far does the coin roll before coming to rest?
A 70-kg stunt pilot pulls out a drive while flying at 50 m/s. If he flies a circular path with a radius of 200 m, what force does his seat exert on him at the bottom of the path
In one type of computer keyboard, each key holds a small metal plate that serves as one plate of a parallel-plate, air-filled capacitor. Calculate the capacitance before the key is depressed
Two cylindrical glass beads each of mass m = 32 mg are set on their flat ends on a horizontal insulating surface separated by a distance d = 3 cm. The coefficient of static friction between the beads and the surface is μs = 0.3. The beads are then gi..
A 3.0 kg block rests on a 30° slope and is attached by a string of negligible mass to a solid drum of mass 0.80 kg, What is the coefficient of friction between block and slope
a 15 kg hoop of radius 1 m is spinning at a rate of 4 rotations per second, What is the speed in rotations per minute
An empty parallel plate capacitor is connected between the terminals of a 9.44-V battery and charges up. what is the new voltage between the plates of the capacitor
Using focused laser light, optical tweezers can apply a force of about 14pN to a 1.1\mu m diameter polystyrene bead, Estimate the bead's acceleration in g's
At the instant of the figure, a 1.4 kg particle P has a position vector r of magnitude 1.1 m and angle ?1 = 45° and a velocity vector v of magnitude 3.8 m/s and angle ?2 = 30°. What is the torque acting on the particle about the origin
An archer lines up an arrow on the horizontal exactly dead center on a target. She releases the arrow, and it strikes the target a distance h=7.6cm below the center. how long was the arrow in the air before striking the target
When red light in a vacuum is incident at the Brewster angleon a certain type of glass, the angle of refraction is 24.7°. evaluate the index of refraction of the glass
A flat coil of wire has an area A, N turns, and a resistance R. It is situated in a magnetic field, such that the normal to the coil is parallel to the magnetic field. The coil is then rotated through an angle of 90?, so that the normal becomes pe..
To cook a stew, you use a 4-mm thick steel pot with a bottom surface area of 100 cm2. The heating takes place from a 500oC source. Determine the heat transfer to the stew
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