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## Homework Statement

The start velocity of the ball is 3m/s upward direction. Ball reaches its highest point after 1.2seconds

No air or other friction like that

i need to find how far the ball has traveled after 0.4 seconds, and after 2.4 secondsi can't get the right answers, says its supposed to be 1meter for 0.4 sec, and 3.6meter for 2.4 sec

## Homework Equations

ive tried to use v0*t + 1/2a*t2 where:

v0 = 3

t= 0.4 or 2.4

a= +/.- 2.5m/s^2

## The Attempt at a Solution

i can't get the right answers, says its supposed to be 1meter for 0.4 sec, and 3.6meter for 2.4 sec, and the equation i mentioned earlier did not work..