Ask Question
5 February, 09:59

A ball rolls horizontally off a table of height 0.6 m with a speed of 9 m/s. How long does it take the ball to reach the ground?

A. 0.067 s

B. 0.35 s

C. 1.2 s

D. 15 s

+2
Answers (1)
  1. 5 February, 11:27
    0
    Answer: 0.067 s

    Explanation:s = Ut + 1/2at^2

    0.6 = 9t + 0.5 * 10 * t^2

    Where a = g = 10m/s/s

    Solving the quadratic equation

    5t^2 + 9t - 0.6=0,

    t = 0.067 s and - 1.7 s

    Of which 0.067 s is a valid time
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “A ball rolls horizontally off a table of height 0.6 m with a speed of 9 m/s. How long does it take the ball to reach the ground? A. 0.067 s ...” in 📙 Physics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers