A cannon mounted on the back of a ship fires kg cannonball in the horizontal dir

Question

A cannon mounted on the back of a ship fires kg cannonball in the horizontal direction at a of 150 m/s. If the cannon and ship have a combined mass of 40000 kg and are initially at rest, what is the speed of the ship just after shooting the cannon? Express your answer to two significant figures and include the appropriate units. upsilon_bf = 0.19 m/s What assumptions did you make? Check all that apply. Ignoring resistive force by the air Ignoring mass of the ship Ignoring resistive force by the water  Ignoring mass of the cannonball

Explanation / Answer

v = 50*150 / 39950

v = 0.187 = 0.19 m/s

Ignoring resistive force by the water and air

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