Q1 shell fired from a cannon has a muzzle speed speed as, Ask an Expert

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Q1. Shell, fired from a cannon, has a muzzle speed (speed as it leaves the barrel) of 800 ft/s. The barrel makes an angle of 45o with the horizontal and, for simplicity; barrel opening is supposed to be at ground level.

(a) Find out parametric equations for the shell's trajectory relative to the coordinate system.

(b) How high does shell rise?

(d) What is speed of the shell at its point of impact with the ground?

Q2. The headlights of a pickup truck are 1.52 apart. What is the maximum distance at which these headlights could be resolved as separate points of light on a photograph taken with a camera whose aperture has a diameter of 11.5?

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