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Problem A crossbow bolt is shot straight upward from the ground with an nitial velocity of 49m/s. Because of linea air resistance, its velocity function u = satisfies the initial value problem shot straight upward from the ground with an initial velocity of 49m/s. Because of linear =0.04-9.8, tr(0) = 49 (a) Use Euler's method to approximate u(t) for 0 S tS 10 using both N - 100 and N 200 subintervals. Display the results at intervals of 1 second. Do the two approximations - each rounded to four decimal places - agree both with the exact solution? (b) Redo (a) using the Runge-Kutta method Note: The absolute error is defined to be yezact approx ) The absolute relative error is M o The percentage relative error is ietTi-bumnd x 100