What is the direction of force on the bead
A 10-cm-long thin glass rod is uniformly charged to +50 nC. A small plastic bead, charged to - 5.1 nC , is 4.0 cm from the center of the rod. What is the magnitude of the force on the bead? What is the direction of force on the bead?
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The length of an injected-molded plastic case that holds tape is normally distributed with a mean length of 90.2 millimeters and a standard deviation of 0.10 millimeters.
What is the change in the cold air specific entropy per unit of cold air flow rate? What is the net entropy generation per unit of cold air flow rate?
Laura and Phillip each fire one shot at a target. Laura has probability 0.5 of hitting the target, and Phillip has probability 0.3. The shots are independent. Find the probability the target is hit.
Standard solutions of calcium ion used to test for water hardnessare prepared by dissolving pure calcium carbonate,CaCO3, in dilute hydrochloric acid.
A solution is prepared by dissolving 0.17 molAcetic Acid and 0.17 mole of ammonium chloride in enough water tomake 1.0 L of solution. What is the concentration of ammonia in the solution?
A wire coil of negligible resistance has 1000 turns and has a diameter of 6.00 cm. A 1.00 kO resistor is connected to the coil. A uniform, time-varying magnetic field exists inside the coil, and is given by: B(t) = (2.40 x 10-5)cos[(377 rad/s)t].
What is the velocity in the bypass and the main pipe? What is the total volumetric flow rate in gallons per minute? Assume that the friction factor in both lines is f=.004.
Compute the probability that the number of working machines at the beginning of the next three days is two, one, and two in that order.
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