Pre-Calc Homework Solutions 419

Pre-Calc Homework Solutions 419 - Section 10.5 419 30(a To...

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30. (a) To save time, enter one expression for x ( t ) in the main window, then use the ENTRY function to repeat it six times in the parametric Y 5 menu. Do the same for y ( t ), then make appropriate modifications. [0, 500] by [0, 50] Now replace T with X in all the y ( t ) expressions in the parametric Y 5 menu, then change to function mode and enter Y 1T for Y 1 ,Y 2T for Y 2 , and so on. Use the functions in the CALC menu to fill in the tables for parts (b) and (c). (b) drag coeff time at max ht max ht k 5 0.01 t < 1.612 44.777 k 5 0.02 t < 1.599 44.336 k 5 0.10 t < 1.505 41.149 k 5 0.15 t < 1.454 39.419 k 5 0.20 t < 1.407 37.854 k 5 0.25 t < 1.363 36.431 (c) After flight times using the zero function, plug the x -intercepts into T and read the ranges out as X 1T ,X 2T , etc. drag coeff flight time range k 5 0.01 t < 3.289 462.152 k 5 0.02 t < 3.273 452.478 k 5 0.10 t < 3.153 386.274 k 5 0.15 t < 3.088 352.983 k 5 0.20 t < 3.028 324.410 k 5 0.25 t < 2.974 299.661 (d) This follows from the following two limits
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