Hp 50g Graphing Calculator Uživatelský manuál stáhnout pdf (Strana 256)

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Notice that after you enter a particular value, the calculator displays the

variable and its value in the upper left corner of the display. We have now

entered the known variables. To calculate the unknowns we can proceed in two

ways:

a). Solve for individual variables, for example, „[ vr ] gives vr: 0.500.

Press L„[ vθ ] to get vθ : 5.750 , and so on. The remaining results

are v: 5.77169819031; ar: -14.725; aθ: -13.95; and a:

20.2836911089.; or,

b). Solve for all variables at once, by pressing „@ALL!. The calculator will

flash the solutions as it finds them. When the calculator stops, you can

press ‚@ALL! to list all results. For this case we have:

Pressing the soft-menu key @EQNS will let you know the equations used to

solve for each of the values in the screen:

To use a new set of values press, either @EXIT @@ALL@ LL, or J @SOLVE.

Let's try another example using r = 2.5, vr = rD = -0.5, rDD = 1.5, v = 3.0, a =

25.0. Find, θD, θDD, vθ, ar, and aθ. You should get the following results:

1 2 ... 251 252 253 254 255 256 257 258 259 260 261 ... 886 887

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Hp 50g Graphing Calculator Uživatelský manuál Strana 256

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