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The earth spins on its axis once a day and orbits the sun oncea year (365.24 days). Take the positive direction for the angular displacement to be the direction of the earth's motion.
(a) Determine the average angular velocity ofthe earth as it spins on its axis.
rad/s
(b) Determine its angular velocity as it revolves around the sun.
Calculate the heat flow through a 0.500m long copper bar with a cross sectional area of 0.50 cm2. One end at 3.0 degrees Celsius and the other end at 100.0 degrees Celsius
One day when you come into physics lab you find several plastic hemispheres floating like boats in a tank of fresh water. What is the mass of the heaviest rock that, in perfectly still water, won't sink the plastic boat
what is the thermal kinetic energy in 1kg of oxygen gas at 20 degrees celsius? What fraction of this energy is translational
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An oscillating LC circuit consists of an ideal 56 mH inductor and an ideal 5600 pF capacitor. find the maximum current in the circuit
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Light of wavelength 500 nm is incident on a thin sheet of plastic film (n= 1.50) in air. What is the thinnest the sheet can be
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A four-turn circular wire coil of radius 0.565 m lies in a plane perpendicular to a uniform magnetic field of magnitude 0.340 T. what is the average induced emf in the wire during this time
The loaded car of a roller coaster has mass M = 320 kg. It goes over the highest hill with a speed v of 21.4 m/s. What is the force (N) that the track must exert on the car
A soccer ball is lofted toward the goal from a distance of 9.00 m. It has an initial velocity of 12.7 m/s and is kicked at an angle of 72.0 degrees above the horizontal. (a) When the ball crosses the goal line, how high will it be a..
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