A projectile is fired from the edge of a cliff 500 m high with an initial velocity of 85 m/s at an angle of 20 below the horizontal. (a) Draw a diagram of the trajectory. (b) Calculate the time of the projectile in the air. (c) At what distance from the base of the cliff does the projectile strike the ground? (d) What are the horizontal and vertical components of the velocity just before the projectile hits?

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