Aleaf falls from a tree. because the leaf is so light, it will be affected by air resistance. taking this into account, what is the acceleration of the leaf as it falls?

The acceleration of the leaf as it falls is zero.

Explanation:

There are to forces acting on the leaf;

(a) force of gravity acting downwards

(b)Air resistance acting upwards

At some point force of gravity acting downwards balances the force of air resistance acting upwards and thus the net force on the leaf is zero.As the net force on the leaf is zero, the acceleration of the leaf =0.

Because of this zero net force, the leaf will acquire a constant velocity after some time called as terminal velocity and will continue to move with this constant velocity.

Less than 9.8 m/s^2

Explanation:

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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