- #1
nerdgirl909
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Homework Statement
A sprinter can accelerate with constant acceleration for 3.40 s before reaching top speed. He can run the 100-meter dash in 10 s.
What is his speed as he crosses the finish line? (in m/s)
Homework Equations
kinematic equations
The Attempt at a Solution
a (acceleration) is positive and nonzero for the first 3.40 s
a is zero for the last 6.60 s