Asked by Stevie

After a tornado, a 0.55g straw was found embedded 2.3cm into the trunk of a tree. if the average force excerted on the straw by the tree was 65N, what was the speed of the straw when it hit the tree?
Answered by drwls
(Kinetic energy of straw) = Work = (Force)x(penetration distance)
(1/2) M V^2 = F*X

V = sqrt(2F*X/M)
Answered by Anonymous
2.32
Answered by Chewy
74 m/s
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