The cannon on a battleship can fire a shell a maximum distance of 22.0 km.(a) Calculate the initial velocity of the shell.  m/s (b) What maximum height does it reach? (At its highest, the shell is above a substantial part of the atmosphere--but air resistance is not really negligible as assumed to make this problem easier.)  m (c) The ocean is not flat, since the earth is curved. How many meters lower will its surface be 22.0 km from the ship along a horizontal line parallel to the surface at the ship?

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