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Construct a FORTRAN program to calculate the 2D trajectory'of a rocketshaped cannon shell (mass 43kg, diameter 155mm, average drag coefficient C = 0.25, launch speed

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Construct a FORTRAN program to calculate the 2D trajectory'of a rocketshaped cannon shell (mass 43kg, diameter 155mm, average drag coefficient C = 0.25, launch speed v0 = 830m/s) including a drag force on sea level (pair 2 1.29kg/m3). (8) Calculate the trajectories for various launch angles 90 in steps of 10 (starting from, say, 10), and determine the launch angle, 68\"\

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