Question: Please provide an exact answer showing all working. A ball is catapulted straight up with an initial velocity of 40 m/s, so that its height

Please provide an exact answer showing all working.

A ball is catapulted straight up with an initial velocity of 40 m/s, so that its height (in meters) after t seconds is: Mt) = 23(20 t). (3.) Find an expression for the velocity Wt] of the ball at time t. (4 marks) (11) Using the rst and second derivative of Mt), determine the maximum height achieved by the ball? (5 marks) (c) How fast will the ball be travelling immediatelyr before it hits the ground? (4 marks)

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