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A cannon has a barrel which is 4.00m long. It fires a shell of mass 20.0kgwith a speed of 300ms^-1 on exiting the barrel. The barrel is pointed at an angle of 35° above the horizontal. 1) the time of flight of the shell 2) the velocity with which the shell hits the ground 3) the range of the shell 4) the kinetic energy of the shell as it leaves the barrel 5) the time taken between the firing of the shell and when it leaves the-barrel 6)the power generated by the explosion that propelled the shell up the barrel .

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