2A. A football is kicked forward and up. From that instant on, the acceleration

ID: 1573664 • Letter: 2

Question

2A. A football is kicked forward and up. From that instant on, the acceleration of the ball will be:

a. first downward and then upward?

b. downward and decreasing in magnitude?

c. downward and constant in magnitude?

d. downward and increase in magnitude?

e. first upward and then downward

2B. A football is kicked forward and up. Let us neglect the effects of air resistance. On its way up, the ball will spend in air:

a. as much time on its way up as it will spend on its way down.

b. less time than it will on its way down.

c. either more or less time than on its way down, depending on the mass of the football.

d. more or less time on its way up than it will on its way down, depending on how strong was the initial kick.

e. more time than it will on its way down.

Thank you!

A) acceleration due to gravity always acts downward with a constant magnitude

B) option a is correct

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