47. Range of a Projectile If a projectile is fired with velocity u, at an angle 0, then the maximum height it reaches (in ft) is modeled by the function vž sin*0 M(0) 64 Suppose v, = 400 f/s. (a) At what angle 0 should the projectile be fired so that the maximum height it reaches is 2000 ft? (b) Is it possible for the projectile to reach a height of 3000 ft? (c) Find the angle 0 for which the projectile will travel highest. M(0)

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