Find a symbolic expression for the net force
A point charge +2Q is at the origin and a point charge -Q is located along the x-axis at x=d. Find a symbolic expression for the net force on a third point charge +Q located along the y-axis at y= d.
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The frictional losses in the pipeline are two times the velocity head in the pipeline. The flow in the pipeline is turbulent. What is the pressure in the pipeline?
If the pressure exerted by ozone, O3, in the upper stratosphere is 2.28 torr of Hg and the temp is 250k, how many molecules of ozoneare in one liter? (1 mole of any gas contains 6.022 x 10^23molecules)
If the initial velocity of the ball is horizontal, what minimum magnitude must it have if the ball is to clear the net?
A fallen tree trunk is damming up water in a creek. The tree trunk is approximately a cylinder, 40 cm diameter and 4.0 m long. What is the total force of the water on the tree trunk?
Use the pKa values to predict which functional groups in the amino acids aspartic acid and phenylalanine are expected to be protonated int he presence of acetic acid.
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