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29 April, 00:18

A charged ball of mass 10g and charge 2 C is placed at rest in a field of field strength 5NC as shown.

The acceleration of the ball is

+2
Answers (1)
  1. 29 April, 00:44
    0
    1000 m/s

    Explanation:

    Given that

    Mass of the ball, m = 10 g = 0.01 kg

    Charge of the ball, q = 2 C

    Field strength of the field, E = 5 N/C

    Acceleration of the ball, a = ? m/s²

    We know the the equation holds,

    F = qE, on substituting, we have

    F = 2 C * 5 N/C

    F = 10 N

    Also, we know that

    F = ma, and as such,

    a = F / m, on substituting we have

    a = 10 N / 0.01 kg

    a = 1000 m/s²

    Therefore, the acceleration of the ball is 1000 m/s²
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