8. A shell, fired from a cannon at ground level, has an initial speed of 50...

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8. A shell, fired from a cannon at ground level, has an initial speed of 50 ft/s. The barrel makes a 60 angle with the horizontal. State the position vector for the shell as a function of time. 8. A shell, fired from a cannon at ground level, has an initial speed of 50 ft/s. The barrel makes a 60 angle with the horizontal. State the position vector for the shell as a function of time.