needsdarkness8423 needsdarkness8423

17-12-2022
Physics

contestada

a revolutionary war cannon, with a mass of 2020 kg, fires a 20 kg ball horizontally. the cannonball has a speed of 139 m/s after it has left the barrel. the cannon carriage is on a flat platform and is free to roll horizontally. what is the speed of the cannon immediately after it was fired? answer in units of m/s

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