5. A 4.00 kg object slides down a frictionless inclined plane with an acceleration of 3.00 m/s2. What is the angle of the incline above horizontal?

The angle of the incline above horizontal is 17.81 degrees.

Explanation:

Given that,

Mass of the object, m = 4 kg

Acceleration of the object above the incline,

We need to find the angle of the incline above horizontal. The net force acting on the object along the incline is given by :

So, the angle of the incline above horizontal is 17.81 degrees. Hence, this is the required solution.

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