a$)$Find the Electrical force vec$({\mathrm{F)}}_{}$_E experienced by the ball due to the electrical field?

b$)$ What is the mass of this ball if it "floats" in the field?

c$)$ What would be the acceleration of the ball if we increase the field to vec$({\mathrm{E)}}_{\text{n}\text{e}\text{w}}=6$vec$(\mathrm{E)}?$

d) What is net work done on the ball during that time$.?$

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Transcribed Image Text:

A tiny ball with a charge 4.5 x 10-6 C is placed in a uniform electric field of E= 7.0 × 10² N/C directed vertically upward, i.e. in the direction opposite gravity. A tiny ball with a charge 4.5 x 10-6 C is placed in a uniform electric field of E= 7.0 × 10² N/C directed vertically upward, i.e. in the direction opposite gravity. A tiny ball with a charge 4.5 x 10-6 C is placed in a uniform electric field of E= 7.0 × 10² N/C directed vertically upward, i.e. in the direction opposite gravity.

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