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A 30-lb uniform cylinder can roll without sliding on a 15°-incline. A belt is attached to the rim of the cylinder, and a spring holds the cylinder at rest in the position shown. If the center of the cylinder is moved 2 in. down the incline and released, determine.
(a) the period of vibration,
(b) the maximum acceleration of the center of the cylinder.
15 mol of an ideal gas expands isothermally at 373 K to 12.5 its inital volume. Find the heat flow into the system
A sphere of mass 0.75 kg falls from height 46 cm and collides with another one having mass 4.9 kg. Find their final speeds and directions.
An object is placed 22 cm from a certain mirror. The image is half the size of the object, inverted, and real. A How far is the image from the mirror? Express your answer using two significant figures.
Two wheels have the same mass and radius of 4.5 kg and 0.39 m, respectively. determine the net external torque that acts on each wheel
The thermal energy of 1.0 mol of a substance is increased by 1.0 J. Use Kelvin for temperature changes. What is the temperature change for a monatomic gas
Three masses, 2.0 kg, 3.0 kg, and 6.0 kg, are located at points (3.0, 0), (6.0, 0), and (-4.0, 0), respectively, in meters from the origin. Where is the center of mass of this system?
A 16 kg girl slides down a playground slide that is 2.8 m high. When she reaches the bottom of the slide, her speed is 1.3 m/s. How much energy was dissipated by friction
A major league pitcher can throw a baseball in excess of 42.9 m/s. If a ball is thrown horizontally at this speed, how much will it drop by time it reaches the catcher who is 18 m away from the point of release.
two horizontal forces and are acting on a box but only is shown in the drawing. can point either to the right or to
Proton projected toward fixed nucleous of charge +Ze with velocityv0. Initially the particles are very farapart. When proton is at a distance R from the nucleous itsvelocity is 1/2v0.
An amateur radio operator wishes to build a receiver that can tune a range from 13.8 MHz to 15.1MHz, What is the required value of the constant inductance
Discussion Topic 2: Which among the learning theories provided you with new information? How would you apply this in your practice?
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