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You plan to fly a model airplane of mass 0.390 kg that is attached to a horizontal string. The plane will travel in a horizontal circle of radius 5.90 m. (Assume the weight of the plane is balanced by the upward "lift" force of the air on the wings of the plane.) The plane makes 1.30 revolutions every 3.20 s.
a.) Find the speed at which you must fly the plane.
b.) Find the force exerted on your hand as you hold the string (assume the string is massless).
he density of free electrons in gold is 5.90x10^28 m^-3. The resistivity of gold is 2.44x10^-8 ohms.m at a temperature of 20 C, what is the drift velocity of the electrons in the wire
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An airplane is flying through a thundercloud at a height of 2300 m. (Flying at this height is very dangerous because of updrafts, turbulence, what is the electric field at the aircraft
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Suddenly this mass is struck by another 2.00-kg object traveling along the x-axis at 3.00 m/s, and the two masses stick together.
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