SOLUTION: if a projectile is shot vertically upward from the ground with an initial velocity of 150 ft per sec. Neglecting air resistance, its height S (in feet) above the ground t seconds a

Question 992221: if a projectile is shot vertically upward from the ground with an initial velocity of 150 ft per sec. Neglecting air resistance, its height S (in feet) above the ground t seconds after projection is given by S-16t^2 + 150t
after how many seconds will it be 60ft above the ground?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
if a projectile is shot vertically upward from the ground with an initial velocity of 150 ft per sec. Neglecting air resistance, its height S (in feet) above the ground t seconds after projection is given by S-16t^2 + 150t
after how many seconds will it be 60ft above the ground?
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No equal sign in your formula.

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