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Part A Calculate the magnitude of the electric field at the origin due to the following distribution of charges: -q at (x,y) = (a,a), +q at (a,-a), +q at (-a,-a) and -q at (-a,a). Where q = 5.65 × 10-7 C and a = 5.60 cm.
Part B Set up an 8-point compass at the origin, where north points along the positive y-axis, such as that shown in the diagram to the right. What is the direction of the electric field at the origin created by the charge distribution given in the previous part? (for example, `N',`NE', etc., or if no net field enter `NIL').
Calculate the change in the melting point of naphthalene for one atmosphere rise in pressure given that its melting point is 80 C. Latent heat of fusion is 4563 cal/mol and increase in volume on fusion is 18.70 cm3 per mol and 1 calorie = 4.2×10^7..
Regarding the Earth and a cloud layer 750m above the Earth as the "plates" of a capacitor, calculate the capacitance. Suppose cloud layer has an area of 1 km2 and that the air between cloud and ground is pure and dry.
Calculate the intensity distribution
When driving west toward the Rocky Mountains, you see a peak 2.8 above the horizon. Your GPS gives your current elevation as 1500 , and according to the map, you're 22.5 (horizontally) from the peak. Find the peak's elevation. Express your answer ..
An aquarium contains a 5-cm layer of water (n = 1.333) floating on top of carbon tetrachloride (n = 1.461). If an angle of incidence into water from the carbon tetrachloride is 20, what is the angle of refraction into the air.
If the mass of both weights is 175gm, the first mass is located 20 north of east, the second mass is located 20 south of east, and the transducer sensitivity is 0.5volts/Newton, how large a voltage do you expect to measure? Imagine the transducer ..
A solenoid 300 turns having a length of 25.0 cm and a diameter of 10.0 cm has a current of 0.290 A.
A rectangular barge, 5 m long and 2 m wide, floats in fresh water. How much deeper would it go if there were a 500kg horse on it.
By measuring the spectrum of wavelengths of light from our sun, we know that its surface temperature is 5760 K . By measuring the rate at which we receive its energy on earth, we know that it is radiating a total of 3.93×1026 J/s and behaves nearl..
A 64 kg person on skis is going down a hill sloped at 30° from the horizontal. The coefficient of friction between the skis and the snow is 0.15. What would be the magnitude of acceleration.
The two springs each have a spring constant of 11. They are stretched by 1 as a current passes through the wire. How big is the current.
Meanwhile, Isaac is piloting his ship in the westward direction, also at 0.89, toward Albert's ship. With what speed does Isaac see Albert's light beam pass his ship.
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