A small 12.00 g plastic ball is suspended by a string in a uniform, horizontal electric field with a magnitude of 10^3NC. If the ball is in equilibrium when the string makes a 30∘ angle with the vertical, what is the net charge on the ball?

when cloud cover increases then the suns ray's which provides the earth with light and warmth gets covered due to the due to the suns ray's being blocked, the temperature in that region

therefore to conclude i would like to say that,

=more the cloud cover, the lesser the

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an obstruction

weight of the box is given as

here this is placed on the inclined of angle 42 degree

now this weight will have two components one is along the incline other is perpendicular to it

so here we need to apply a force parallel to incline opposite to its component of weight

so here the component of weight is given as

here we have

so it requires 75 n force to move it upwards