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What is the lift (in newtons) due to Bernoulli’s principle
Chapter 4, Problem 44P(choose chapter or problem)
QUESTION:
Problem 44P
What is the lift (in newtons) due to Bernoulli’s principle on a wing of area 78 m2 if the air passes over the top and bottom surfaces at speeds of 260 m/s and 150 m/s, respectively?
Questions & Answers
QUESTION:
Problem 44P
What is the lift (in newtons) due to Bernoulli’s principle on a wing of area 78 m2 if the air passes over the top and bottom surfaces at speeds of 260 m/s and 150 m/s, respectively?
ANSWER:
ANSWER:The spring length changed by 4 cm = 0.04 m.Spring constant is, K = 5000 N/m.The change in potential energy is, 2 P.E = 1/2 × K × x = 1/2 × 5000 × 0.04 = 400 jule