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Projectile A is fired at a velocity of 20 m/s at an angle of 30° below horizontal. Then, projectile B is fired at angle of 50° above horizontal and a velocity of 15 m/s. The two projectiles land at the same location. Determine (a) the travel time of each projectile, (b) the height of the building, (c) the maximum height that projectile B travels. 50° 30° 20ms;

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