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A 18.0-kg cannonball is fired from a cannon with muzzle speed of 850m/sat an angle of33.0°with the horizontal. A second ball is fired with the same initial speed at an angle of 90.0°. Let y= 0 at the cannon.

(a) Use the isolated system model to find the maximum height reached by each ball.

(b) Use the isolated system model to find the total mechanical energy of the ball-Earth system at the maximum height for each ball.

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Reference No.:- M91000486

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