Question

a ball is thrown vertically upward with velocity of 98 how long does it take to reach the highest point?​

Answer 1

Answer:

10 is answer. see attachment

Answer 2

Answer:

u=98m/s. v=0 g=-9.8m/s.

From the first equation of motion v=u+gt

or t=v-u/a.

Substituting the values,

t=0-98/9.8=10seconds.