Afisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. it takes 2.80 for the boat to travel from its highest point to its lowest, a total distance of 0.620 . the fisherman sees that the wave crests are spaced 6.40 apart.
how fast are the waves traveling? in m/s
what is the amplitude of each wave? in m
if the total vertical distance traveled by the boat were 0.500 , but the other data remained the same, how fast are the waves traveling ? in m/s
if the total vertical distance traveled by the boat were 0.500 , but the other data remained the same, what is the amplitude of each wave? in m
Answers: 3
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In positive numbers less than 1, the zeros between the decimal point and non zero are significant
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The ratio of lift to drag l/d for a wing or airfoil is an important aerodynamic parameter, indeed, it is a direct measure of the aerodynamic efficiency of the wing. if a wing is pitched through a range of angle of attack, l/d first increases, then goes through a maximum, and then decreases. consider an infinite wing with an naca 2412 airfoil. estimate the maximum value of l/d. assume that the reynolds number is 9x10^6.
Answers: 2
Afisherman notices that his boat is moving up and down periodically, owing to waves on the surface o...
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