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(a) A projectile is fired off the roof of a 15m tall building, with a speed...

(a) A projectile is fired off the roof of a 15m tall building, with a speed of 17 m/s and angle of 40o above the horizontal. What is the maximum height, above the ground, of the projectile?

(b) A projectile is fired off the roof of a 15m tall building, with a speed of 17 m/s and angle of 40o above the horizontal. How far away from the building does the projectile land?

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