Question

An inclined plane making an angle of 30° with the
horizontal, is placed in a uniform horizontal electric
field of 100 V m-1, as shown in Fig. 1(a).69. A
particle of mass 1 kg and charge 0.01 C, is allowed to
slide down from rest from a height of 1 m. If the
coefficient of friction is 0.2, find the time it will take
the particle to reach the bottom. [Ans. 1.31 sec.]​

Answer 1

Answer:

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