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Air streams horizontally past a small airplane's wings such that the speed is 62.0 m/s over the top surface and 52.0 m/s past the bottom surface.
A) If the plane has a mass of 1400 kg and a wing area of 16.2 m^2 what is the magnitude of the net vertical force (including the effects of gravity) on the airplane? The density of the air is 1.20 kg/m^3.(anwer in N unit)
B) What is the direction of the net vertical force (including the effects of gravity) on the airplane?
From the shore of a frozen lake, Eli Manning throws a 2 kg football at a velocity of 20 m/s. What is their velocity immediately after they catch it
An old-style TV set places 25 kV across two plates of a parallel plate capacitor. An electron is released very close to one plate, compute the speed of the electron when it exits the hole
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Some charge is placed on a capacitor with C1 = 26 ?F so that ?V = 15 V. What is the voltage across the two capacitors
How much work is done by the motor when the motor when the position of the arm is moved from x=0.150m to x=0.750m? what is the power of the motor in watts
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A string has a tension of 19.1 N. A wave travels on the string with a frequency of 65 Hz and a wavelength of 0.90 meters. What is the linear mass density of the string
Two steel juggling balls each carry a charge of 2.75 ?C. determine the distance between the centers of the two balls
A metal sphere hangs from a string and has 4 kg of mass. The sphere has a charge of +2.3 µC. What is the electric force on the metal sphere if the magnitude of the electric field is 106 N/C
A flat stack of two materials, the first of index of refraction 1.52 and thickness 2 mm, and the second of index of refraction 1.63, What is the size (radius) of the circle of light
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