A projectile is launched from ground level with an initial velocity of vo feet per second. Neglecting air resistance, its height in feet t seconds after launch is given by s= - 16t + Vot. Find the time(s) that the projectile will (a) reach a height of 288 ft and (b) return to the ground when vo = 144 feet per second. (a) Find the time(s) that the projectile will reach a height of 288 ft when vo = 144 feet per second. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. seconds (Use a comma to separate answers as needed.) O B. The projectile does not reach 288 feet. (b) The projectile returns to the ground after second(s).
A projectile is launched from ground level with an initial velocity of vo feet per second. Neglecting air resistance, its height in feet t seconds after launch is given by s= - 16t + Vot. Find the time(s) that the projectile will (a) reach a height of 288 ft and (b) return to the ground when vo = 144 feet per second. (a) Find the time(s) that the projectile will reach a height of 288 ft when vo = 144 feet per second. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. seconds (Use a comma to separate answers as needed.) O B. The projectile does not reach 288 feet. (b) The projectile returns to the ground after second(s).
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter59: Areas Of Rectangles, Parallelograms, And Trapezoids
Section: Chapter Questions
Problem 79A
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Transcribed Image Text:A projectile is launched from ground level with an initial velocity of vo feet per second. Neglecting air resistance, its height in feet t seconds after
launch is given by s= - 16t + Vot. Find the time(s) that the projectile will (a) reach a height of 288 ft and (b) return to the ground when vo = 144 feet
per second.
(a) Find the time(s) that the projectile will reach a height of 288 ft when vo = 144 feet per second. Select the correct choice below and, if necessary,
fill in the answer box to complete your choice.
O A.
seconds (Use a comma to separate answers as needed.)
O B. The projectile does not reach 288 feet.
(b) The projectile returns to the ground after
second(s).
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