Find the minimum diameter
Find the minimum diameter of an l = 15.2 m long brass wire that will stretch no more than 8.94 mm when a mass of 301 kg is hung on the lower end. (Hint: The Young's modulus of brass is 91.0 GPa.)
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The electric potential in a certain region of space is given by V = -7.5x2 + 3x, where V is in volts and x is in meters. In this region the equipotential surfaces are
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Determine the magnitude and direction of the acceleration of the -1.2 micro coulomb charge when it is allowed to move if the other two charges remain fixed.
The image of this second object has the same height as the other image. How far in front of the mirror is the second object located?
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