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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.
what is the mass of helium in the balloon.
The strongest person in the world lifted th read end of his car a mass of 615 kg a verticle distance of .24 meters. How much work did he do to life the car
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In a certain automobile engine with an efficiency of 20.1%, combustion of gasoline in one cylinder releases 520 J of heat. Find the total mechanical power produced by all four cylinders, operating at 55 cycles/s, or 3300 rpm
An 83.6kg person with density 1055 kg/m^3 stands on a scale while completely submerged in water. what does the scale read
Two cars are initially at rest at the starting line of a 100-m long track. the first car accelerates at a rate of 2.50 m/s^2. how far behind is the first car
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