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In the figure below, a solid cylinder of radius 6 cm and mass 9 kg starts from rest and rolls without slipping a distance L = 6.0 m down a roof that is inclined at angle ? = 30°.
(a) What is the angular speed of the cylinder about its center as it leaves the roof?
________rad/s
(b) The roof's edge is at height H = 5.0 m. How far horizontally from the roof's edge does the cylinder hit the level ground?
_________m
A ballplayer standing at homeplate hits a baseball that is caught by another player at the same height above the ground from which it was hit. How high will the ball rise
An emf source with emf = 120 V, a resistor with R = 84.0 ?, and a capacitor with C = 3.50 µF are connected in series. find the magnitude of the charge on each plate of the capacitor
A tennis ball is hit with a vertical speed of 30 m/s and a horizontal speed of 25 m/s. How long will the ball remain in the air? How far will it travel horizontally during this time?
Two identical diverging lenses are separated by 23 cm. The focal length of each lens is -14 cm. find the final image distance relative to the lens on the right
a concave mirror has a focal length of 15.0 cm. An object is placed 18.5 cm in front of the mirror. How tall is the object placed in front of the mirror
A tungsten target is struck by electrons that have been accelerated from rest through a 20.0-kV potential difference
A computer can fetch information from the memory in 3.0 ns, a process that involves sending a signal from the Central Processing unit (CPU) to memory and awaiting return of the information. find the maximum distance between the CPU and the memory
A circular wire loop of radius 11.3 cm carries a current of 3.48 A. What is the magnitude of the torque acting on the loop
The acceleration of a particle is given by ax(t)=? 1.90m/s2 +( 2.90m/s3 )t, Find the initial velocity v0x such that the particle will have the same x-coordinate at time t= 4.04s
assume the roller coaster (h1 = 37 m, h2 = 13 m, h3 = 30) passes point A with a speed of 3.10 m/s. If the average force of friction is equal to one third of its weight, with what speed will it reach point B? The distance traveled is 55.0 m.
You want to examine the hairy details of your favorite pet caterpillar, using a lens of focal length 9.1 cm that you just happen to have around. what angular magnification do you achieve
A 60 kg gymnast holds an iron cross position on the rings. What torque is exerted by the right ring about the right shoulder joint
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