i need a final answer please please.. 1) A hemispherical surface with radius r i
ID: 2125438 • Letter: I
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i need a final answer please please..
1) A hemispherical surface with radius r in a region of uniform electric field E? has its axis aligned parallel to the direction of the field.?
Calculate the flux through the surface.
Express your answer in terms of the given quantities and appropriate constants.
|?| =
A hemispherical surface with radius r in a region of uniform electric field E? has its axis aligned parallel to the direction of the field.? Calculate the flux through the surface. Express your answer in terms of the given quantities and appropriate constants.|?| = An electron is released from rest at a distance of 0.350m from a large insulating sheet of charge that has uniform surface charge density 4.70 times 10?12C/m2 . How much work is done on the electron by the electric field of the sheet as the electron moves from its initial position to a point 2.00 times 10?2m from the sheet? Express your answer to three significant figures and include the appropriate units. W = ........... What is the speed of the electron when it is 2.00 times 10?2m from the sheet? Express your answer to three significant figures and include the appropriate units. v = .............. An insulating sphere of radius 0.220m has uniform charge density 8.70 times 10?9C/m3 . A small object that can be treated as a point charge is released from rest just outside the surface of the sphere. The small object has positive charge 3.70 times 10?6C. How much work does the electric field of the sphere do on the object as the object moves to a point very far from the sphere? Express your answer to three significant figures and include the appropriate units. W = ............ An infinitely long cylindrical conductor has radius R and uniform surface charge density ?. In terms of ? and R, what is the charge per unit length ? for the cylinder? Express your answer in terms of the given quantities and appropriate constants. ? =..................Explanation / Answer
1. Flux = E * pir^2
2.W = 1.6e-19 * [ 4.7e-12 / 2e0 ] * [ 0.46-0.02 ]
W = 1.86e-20 J
b.
0.5 * 9.1e-31 v^2 = 1.86e-20 J
v = 2.01 *(10^5)
i will answer the rest affter getting rated
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