What was the speed of the straw when it hit the tree
After a tornado, a 0.50 straw was found embedded 3.0 into the trunk of a tree.If the average force exerted on the straw by the tree was 85 , what was the speed of the straw when it hit the tree?
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The mass flow rate is 1.25 kg/s. Using the ideal gas model, and neglecting potential energy effects, determine the exit area. Take cp,He to be 5.193 kJ/kg·K. Answer in m².
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