Physics · JEE | MOTION IN A STRAIGHT LINE

Consider the following statements regarding motion in a straight line: (A) The average velocity over a time interval can be zero even if the object has moved during that interval. (B) The magnitude of instantaneous velocity is equal to instantaneous speed. (C) The slope of the tangent to a position-time graph at any point gives the average velocity at that instant. (D) Area under the acceleration-time graph gives the change in velocity over that time interval. Which of the above statements are correct?

1. A
   (A) and (B) only
2. B
   (B) and (C) only
3. C
   (A), (B) and (D) only
4. D
   (A), (C) and (D) only