Question

a particle of mass 1kg and carry vharge 0.01C is at rest on an inclined plane at an angle 30 deg to horizontal when an electric field 490×0.6 applied parallel to horizontal coeff of friction​

Answer 1

Answer:

A partical is placed at rest inside a hollow hemisphare of redius

. The coefficient of friction between the partical and the homisphere is

. The maximum height up to which the partical can remain stationary is

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Text Solution

Answer :

B

Solution :

Angle of repose

<br>

, as shown in figure <br>