Question

PLEASE help me solve this question! No nonsense answers, and attach full solutions please!

Answer 1

6.4 seconds

Explanation:

Using the second equation of motion.

d= 200m/s.

a= 9.8ms^-1 . Acceleration due to gravity.

t= time.

substituting,

t=

`\sqrt{2 * (200)/(9.8) }`

t= 6.4 seconds