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May 20, 2013

# Homework Help: physics

Posted by Anonymous on Wednesday, September 22, 2010 at 1:06am.

A bullet is shot straight down at a speed of 3.9 m/s. After 2.3 seconds, how fast is it moving? Use 10 m/s2 for gravity. Give answer in m/s.

• physics - MathMate, Wednesday, September 22, 2010 at 8:58am

final velocity, v
= initial velocity, u + gt
where
g=acceleration due to gravity, and
t=time in seconds.

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