The figure shows the speed as a function of time for an object in free fall near the surface of the earth. The object was dropped from rest in a long evacuated cylinder. -What is the numerical value of the slope of the line? A)1.0 m/s² B)2.0 m/s² C)7.7 m/s² D)9.8 m/s² E)This cannot be determined from the information given since the speed and time values are unknown.

Question

Quizplus · Accepted Answer

The slope of the line represents the acceleration of the object, which is equal to the acceleration due to gravity near the surface of the earth, approximately 9.8 m/s². Therefore, the numerical value of the slope is 9.8 m/s.

The Figure Shows the Speed as a Function of Time