Apoint charge q1 = -2.9 μc is located at the origin of a co-ordinate system. another point charge q2 = 6.4 μc is located along the x-axis at a distance x2 = 7.6 cm from q1. charge q2 is now displaced a distance y2 = 2.5 cm in the positive y-direction. a third point charge q3 is now positioned halfway between q1 and q2. the net force on q2 now has a magnitude of f2,net = 11.35 n and points away from q1 and q3. what is the value (sign and magnitude) of the charge q3? how would you change q1 (keeping q2 and q3 fixed) in order to make the net force on q2 equal to zero?
Answers: 2
Physics, 22.06.2019 16:50, Jstylez1789
Consider the growth of a 20-nm-diameter silicon nanowire onto a silicon wafer. the temperature of the wafer surface is maintained at 2400 k. assume the thermal conductivity of the silicon nanowire is 20 wm-1k-1 and all its surfaces including the tip are subjected to convection heat transfer with the coefficient h = 1×105 wm-2k-1 and t∞ = 8000 k. when the nanowire grows to l = 300 nm, what is the temperature of the nanowire tip (t (x =
Answers: 1
Apoint charge q1 = -2.9 μc is located at the origin of a co-ordinate system. another point charge q2...
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