Determining the charge on each plate
The electric field among two square metal plates is 120 N/C. The plates are 1.4 m on a side and are separated by the 5.0 cm. Determine the charge on each plate (suppose equal and opposite)? Avoid edge effects.
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ii) When the rod has a resistance of 18 ohms and the rails and connector have negligible resistance, then determine the current in the rod? iii) At what rate is energy being transferred to the thermal energy?
White light hits a diffraction grating and a prism. A rainbow appears on a wall just beneath the direction of the horizontal incident beam in each case. Find out the color of the top of the rainbow in each case? Describe.
A concave mirror consists of a focal length of 23.0 cm. The distance between an object and its image is 40.3 cm. Determine (i) the object and (ii) the image distance supposing that the object lies beyond the center of the curvature.
If on the ground, Ian’s weight is 644N. When Ian is on the elevator, his apparent weight is 741N. Determine the total force on the system (Ian and the elevator) if their combined mass is 1050 kg? Answer must be in Newton.
Let U be the uniform (0,1) random variable. Assume that n trials are to be performed and that conditional on U-u these trials will be independent with the common success probability u. Calculate the mean and variance of number of trials till the f
At some other time, the velocity comprises of only y component. When the force is unaffected, and the instantaneous power is -6.4 W, determine the velocity of the object just then? (Provide your answer devoid of a unit vector.)
System 3x-y=-9 and x+2y=2 may be solved algebraically by using several different methods. Illustrate the first step in solving system using each method below.
A hiker having weighs 985 N is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform and weighs 3610 N, and rests on the two concrete supports one at each end. He stops one-fifth of the way all along the bridge.
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