physics question help 1. An electron in the ry plane is moved at a constant spee

Question

physics question help

1. An electron in the ry plane is moved at a constant speed of 31 m/s along a parabolic trajectory () from the point)-mI m), where the voltage is 1; = t, 12 V, to the point (mu)=(+2 m,+1 m), where the voltage is again l/ = +12 V What minimilm amount of work was required in order to niove on the electron het ween these two points? hre.did.r 2 Consider the fundamental forms for point charges. Of the four quantities: force, electric field. potential energy, voltage: (a) Which of these quanities can depend on a single charge? Volase (b) Which of these quantities can be determined by integrating one of the others along a path?

Explanation / Answer

(a)

Work done would be zero, as the potential difference between two points is zero (Remember the electrostatics force is a conservative force and work done is independent of the path chosen).

(b)

Electric field and Voltage

(c)

Voltage and Potential energy by integrating E along a path.

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