Question

A ball is thrown upword with vilocity of 100m/s .how much time will it take to react the ground ? take g=20m/s2 and neglecting air resistance.

Answer 1

given
u=100
v=0
g=-20
therefore by using
v=u+at
o=100+(-20)t
-100=-20t
t=5s


MARK AS BRAINLIEST