Acharged box ( m = 495 g, q = + 2.50 μ c ) is placed on a frictionless incline plane. another charged box ( q = + 75.0 μ c ) is fixed in place at the bottom of the incline. if the inclined plane makes an angle θ of 35.0 ∘ with the horizontal, what is the magnitude of the acceleration of the box when it is 61.0 cm from the bottom of the incline?

Explanation:

From the attached file diagram, the total force acting on the charged box is the downward weight and the repulsive force acting in opposite to the weight force . Hence we can write the total force as

When fixed,F=o

Hence

The value of the acceleration is 16.2m/s^2

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