mitzigalvez21
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I NEED HELP IS URGENT PLEASE!!!
Which of the following statements applies to the motion of a ball rising and then falling in free fall?

I. The ball has constant acceleration as it moves upward.

II. The ball has constant acceleration at the top of its path.

III. The ball has constant acceleration as it moves downward.

a.

I only

b.

III only

c.

I and III

d.

I, II, and III

 

Respuesta :

JasonZhu

D.  For any projectile motion, there is a constant downwards acceleration due to gravity at all instances.  This not to be confused with velocity, which changes due to gravity at every moment along the object's path.

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