Question

an object is thrown up with velocity of 20m/s.Find the total time tajen by it to return back (g=10m/s)

Answer 1

hey friend

here is ur answer

Answer 2

As it will return back to ground its final velocity will be zero.  V=0 U=20 m/s  g=10m/s2 t=??  v=u-gt 0=20-10t 10t=20 t=2 second