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Question1: A projectile is launched vertically upward with an initial velocity of 20ft/sec from the top of a 50foot building?

(A) Write an equation of H (t) that describes the height of the projectile after t seconds?
(B) When will the projectile hit the ground?
(C) When does the projectile reach its maximum height?
(D) What is the maximum height?

Question2: A spherical Balloon is inflated at the rate of 144pie cubic inches per minute (in^3/min). How fast is the radius of the balloon changing when the radius is 4 inches? Recall the formula for volume of sphere: V(4/3) pieR^3?

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Category:- Physics
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