A ball is thrown vertically upward with a velocity of 98 m/s. If it takes 10 seconds to reach the highest point then the acceleration of the ball is:
Correct answer: D. -9.8m/s2
- A. 9.8m/s2
- B. 98m/s2
- C. 980m/s2
- D. -9.8m/s2
Explanation
a = (Vf -Vi)/ ta = 0 - 98 / 10 = -9.8 m/s2.
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