SOLUTION: A dart leaves the barrel of a dart gun with a speed of 15.0m/s. If the acceleration in the barrel is constant, and the length of the barrel is 0.10m, how long is the dart in the ba
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Question 1019946: A dart leaves the barrel of a dart gun with a speed of 15.0m/s. If the acceleration in the barrel is constant, and the length of the barrel is 0.10m, how long is the dart in the barrel?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
1. For constant acceleration, velocity is given by 
. Since presumably the dart's initial velocity was 0, we can say that 
meters per second.
2. For constant acceleration, displacement is given by 
. Initial displacement 0 and initial velocity 0 means that 
meters.
Substituting from 1:
You can finish the rest. Time is in seconds.
John
My calculator said it, I believe it, that settles it
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