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A small object of radius r and mass m is released at the edge of a round bowl with radius R>>r and rolls toward the bottom.
a) What fraction of the kinetic energy is rotational if the object is (1) a marble, (2) a coin, and (3) a point particle (i.e r=0)?b) At the bottom of the bowl, what is the normal force on the object, in units of mg, if it is (1) a marble, (2) a coin, (3) a point particle?
A pipe is horizontal and carries oil that has a viscosity of 0.15 Pa · s. The volume flow rate of the oil is 4.6 10-5 m3/s. What is the absolute pressure at the input end
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Write a complete set of equations from Kirchhoffs for the circuit -
After flying for 15 min in a wind blowing 42 km/h at an angle of 28° south of east, What is the speed of the airplane relative to the air
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