A particle with a charge of ?1.6 ?C and a mass of 3.0 10-6 kg is released from r

Question

A particle with a charge of ?1.6 ?C and a mass of 3.0 10-6 kg is released from rest at point A and accelerates toward point B, arriving there with a speed of 43 m/s. The only force acting on the particle is the electric force.

(a) Which point is at the higher potential? point A or point B

Give your reasoning.

__Negative charge accelerates from a lower potential to a higher potential or,

__Negative charge accelerates from a higher potential to a lower potential.

(b) What is the potential difference VB ? VA between A and B?

________ V

Explanation / Answer

a)

6.45^-5 J

(-)4.03^-5 V

b)

(-)4.03^-5 V

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