What is the value of the friction factor for the duct
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Three points are chosen at random on a circle of unit circumfrence. What is the probability that the triangle defined by these points as vertices has three acute angles?
A +1.33 nC point charge is placed at one corner of a square (1.90 m on a side), and a -5.91 nC charge is placed on the corner diagonally opposite. What is the magnitude of the electric field at either of the other two corners?
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Consider an electric dipole on the x-axis and centered at the origin. At a distance h = 22.9 cm along the positive x-axis, the magnitude of electric field due to the electric dipole is given by k(2qd)/h3, where q = 6.23 µC and d = 3.50 cm. F
What is the value of the friction factor for this duct and the approximate size of the equivalent roughness of the surface of the duct?
If they are positioned so they form a circle but do not touch and have opposite charges of +4.91 µC and -4.91 µC, find the magnitude of the electric field at the center of the composite circular charge configuration.
Neglecting drag, draw a free body diagram and formulate a first order ODE that governs the velocity of the ball. Is the ODE linear or non-linear?
Compute the force of the ground on his feet if he jumps stiff-legged, the ground compresses 2.10 cm, and the compression of tissue and bones is negligible.
How much time passes from when the wheel was started from rest until the wheel comes to rest again? The wheel has a four inch radius, how fast are the sparks flying when the grinding starts?
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