A v-t graph is drawn for a ball moving in one direction.The graph starts at the origin and at t = 6 s the acceleration of the ball is zero.We know that at t = 6 s,
A) the slope of the curve is non-zero.
B) the curve is not crossing the time axis.
C) the velocity of the ball is not changing.
D) the curve is at v = 0,t = 0.

Question

Quizplus · Accepted Answer

If the acceleration of the ball is zero at t=6s, then according to the equation v = u+at, the velocity of the ball is not changing at that instant. Therefore, choice C is correct. Choice A is incorrect because if the slope of the curve is zero, then the acceleration of the ball must also be zero. Choices B and D are also incorrect as they are not related to the given information in the question.

A V-T Graph Is Drawn for a Ball Moving in One