passwella.
Menu

JAMB Physics 1986 Question 7

Question 7

Motion

A ball is thrown vertically into the air with an initial velocity u. What is the greatest height reached?

  1. A.u2g
  2. B.3u2/2g
  3. C.u2g
  4. D.u2/2g.
Show the answer and explanation

Answer: D (u2/2g.)

Explanation

At the top v = 0, so 0 = u² − 2gh, giving h = u²/2g.