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A solid cyclinder of mass 2.0 kg and radius 0.2 m is rotating uniformly at an angular velocity 2.0 rad/s around the fixed axis through the center O.
a) What is the moment of inertia of the cyclinder?
b) What is its angular momentum about O?
c) What is its kinetic energy?
d) What is the linear speed for a nut on the rim?
e) How long does it take for the cyclinder to make 3 revolutions?
f) What is the tangential acceleration of the nut? what is its centripetal acceleration?
An ideal transformer steps down 120 volts and the 2630 turn secondary supplies 12 amperes. what is the ratio of output power to input power
Two parallel plates 0.600cm apart are equally and oppositely charged. An electron is released from rest at the surface of the negative plate and simultaneously a proton is released from rest at the surface of the positive plate. How far from the n..
A 2.80 kg object moves in a plane with velocity components vx = 14.0 m/s and vy = -84.0 m/s as it passes through the point (x,y) = (0.7,-4.2) m. What is the magnitude of its angular momentum relative to the origin at this moment
A container is filled 0.500m deep with Mercury. What is the pressure at the bottom of the vessel
A pendulum clock has an aluminum pendulum exactly 1.0m long when the clock is calibrated perfectly. The temperature increases by 9?C. By how much is it off at the end of one day
A singly ionized 24Mg ion (mass 3.983 10-26 kg) is accelerated through a 2.0 kV potential difference and deflected in a magnetic field of 500 G in a mass spectrometer. Find the radius of curvature of the orbit for the ion
When at cruising altitude, a typical airplane cabin will have an air pressure equivalent to an altitude of about 2510 m. During the flight, what is the net force on one ear drum due to this pressure difference
High-voltage power lines are a familiar sight throughout the country, What is the resistance of 15 kilometers of this wire
A wrecking ball (weight = 5010 N) is supported by a boom, which may be assumed to be uniform and has a weight of 3670 N. As the drawing shows, a support cable runs from the top of the boom to the tractor.
A piano tuner sounds two strings simultaneously. One has been previously tuned to vibrate at 301.0 Hz. The tuner hears 2.0 beats per second. What was the original frequency of the untuned string
A banked circular highway curve is designed for traffic moving at 77-km/h. The radius of the curve is 153 m. Traffic is moving along the highway at 46-km/h on a rainy day. What is the minimum coefficient of friction between tires and road that wil..
However, as the drawing shows, a plane mirror reflects light from the bird into your camera. If x = 4.2 m and y = 3.9 m in the drawing, for what distance must you set focus of the camera lens in order to snap a sharp picture of the bird's image.
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