1330HW21 - 10. Determine an equation of the form y =...

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10. Determine an equation of the form y = A cos B(x – C) +D for the following graph: A. ( 29 cos π = - + - y 5 x 10 2 15 B. ( 29 cos π = - - - y 5 x 10 2 30 C. ( 29 cos π = - - y 5 x 10 2 15 D. ( 29 cos π = - - - y 5 x 10 2 15 E. ( 29 cos = - π - - y 5 15 x 10 2 11. Assume that you are aboard a research submarine doing submerged training exercises in the Pacific Ocean. At time t = 0 you start porpoising (alternately deeper and then shallower). At time t = 4 min you are at your deepest, y = – 800 m. At time t = 9 min you next reach your shallowest, y = –200 m. Assume that y varies sinusoidally with time. Find an equation expressing y as a function of t. A. ( 29 ( 29 cos π = - - - y t 500 t 4 300 5 B. ( 29 ( 29 cos π = - - - y t 300 t 4 500 5 C. ( 29 ( 29 cos π = - - - y t 300 t 9 500 15 D. ( 29 ( 29 cos π = - - - y t 500 t 9 300 15 E. None of the above (not the right answer) -20 -10 10 20 30 40 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5
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12 The Pressure, P (in lbs/ft 2 ), in a pipe varies over time. Five times an hour, the pressure
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1330HW21 - 10. Determine an equation of the form y =...

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