Mathematics, 23.09.2019 19:40 elizabethwaller8104
Aprojectile is launched from ground level with an initial velocity of v0 feet per second. neglecting air resistance, its height in feet t seconds after launch is given by s=-16t^2 +v0t. find the time(s) that the projectile with (a) reach a height of 64 ft and (b) return to the ground when v0 = 80 feet per second
Answers: 1
⇒ divide each term by 16
⇒ find the pair of numbers that multiply to give 4 and sum gives -5 which is -1 and -4
⇒ We have two values of t
⇒ 
⇒ 
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Aprojectile is launched from ground level with an initial velocity of v0 feet per second. neglecting...
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