As a ball falls freely toward the ground, its total <span>mechanical energy "remains the same" but it should be noted that its potential energy is decreases at this time. </span>
The answer would be D. by adding lava to the Earth’s surface. When it hardens this can make rocks.
In a force diagram set-up, we name the angle of inclination theta, g as the acceleration due to gravity. In this case, the forces acting on the box going down is the weight itself impeded by the friction between the box and the inclined plane.
The weight of the box is expressed as mg sin theta
The frictional force is expressed as the normal force times the coefficient of friction that is expressed as mu g cos theta.
By Newton's second law of motion, F = ma = mg sin theta - mu g cos theta
Thus, a = g (sin theta - u cos theta
Answer:
You need (B) Two substances in direct contact with one another to have conduction.
I hope this helped at all.
The chemical senses are the senses of smell (olfaction) and taste (gustation).
