Use the following to answer the question:
-The figure represents the parabolic trajectory of a ball going from A to E in Earth gravity but without air resistance.What is the direction of the acceleration at point C?
A)it is to the right
B)it is to the left
C)it is straight up
D)it is straight down
E)The acceleration of the ball is zero

Question

Use the following to answer the question: 
-The figure represents the parabolic trajectory of a ball going from A to E in Earth gravity but without air resistance.What is the direction of the acceleration at point C?
A)it is to the right 
B)it is to the left 
C)it is straight up 
D)it is straight down 
E)The acceleration of the ball is zero

Quizplus · Accepted Answer

At point C, the ball has reached its highest point and is about to descend. Therefore, the acceleration due to gravity is acting straight down towards the center of the Earth.

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