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## Homework Statement

Taking the intial velocity to be 10.0 m/s, g to be 9.8m/s2 and ignoring effects of air calculate:

-the total time of flight of the ball

-the maximum height it reaches

variables:

u=10

a=9.8

## Homework Equations

v=u+at

x=vt-1/2at

## The Attempt at a Solution

I've recently switched to Physics at school and I'm unsure about this question. Why isn't the intial velocity zero if it is being thrown up?