O d. Cannot be determined without knowing the mass of both James and Johne. James and John will reach the surface of the lake at the same time.14. A rock from a volcanic eruption is launched straight up into the air with noappreciable air resistance. Which one of the following statements about this rockwhile it is in the air is correct? *a. On the way down. Both its velocity and acceleration are downward, and at thehighest point both its velocity and acceleration are zero.b. On the way up, its acceleration is downward and its velocity is upward, and at thehighest point both its velocity and acceleration are zero.O c. The acceleration is downward at all points in the motion.d. Throughout the motion, the acceleration is downward, and the velocity is always inthe same direction as the acceleration.e. The acceleration is downward at all points in the motion except it is zero at thehighest point.15. A ball is thrown at an original speed of 8.0 m/s at an angle of 35° above theben ithpC

Option c: The acceleration is downward at all points in the motion.

Answered: 14. A rock from a volcanic eruption is…

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