Multiple choice

If a body is projected vertically up, its time of flight is

  1. proportional to initial velocity

  2. proportional to square of the initial velocity

  3. proportional to inverse of initial velocity

  4. proportional to inverse of square of initial velcoity

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Time of flight T = 2u/g,  u is the initial velocity. Hence the answer is option (1)