Question

guys pls answer this immediately ​

Answer 1

Answer:

velocity is 19.6m/s and the graph is parabolic

Explanation:

h = 19.6m

u = 0 m/s

a = 9.8m/s^2

by applying identity s = ut +1/2 at^2

19.6 = 1/2 × 9.8 ×t^2

t^2 = 4

t = 2s

now

v = u +at

v = 9.8 × 2

v = 19.6m/s