119. A fireworks mortar is shot straight upward with an initial velocity of 200 ft/sec from a platform 2 ft off the ground. a. Use the formula s = -gt + vot + so to write a model for the height of the mortar s (in ft) at a time t seconds after launch. Assume that g = 32 ft/sec2. b. How long will it take the mortar (on the way up) to clear a tree line that is 80 ft high? Round to the nearest tenth of a second.
119. A fireworks mortar is shot straight upward with an initial velocity of 200 ft/sec from a platform 2 ft off the ground. a. Use the formula s = -gt + vot + so to write a model for the height of the mortar s (in ft) at a time t seconds after launch. Assume that g = 32 ft/sec2. b. How long will it take the mortar (on the way up) to clear a tree line that is 80 ft high? Round to the nearest tenth of a second.
Mathematics For Machine Technology
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Chapter64: Volumes Of Spheres And Composite Solid Figures
Section: Chapter Questions
Problem 23A: A seamless brass tube and brass flange assembly is shown. The tube is pressed fit into the full...
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Transcribed Image Text:119. A fireworks mortar is shot straight upward with an initial
velocity of 200 ft/sec from a platform 2 ft off the ground.
a. Use the formula s = -gt + vot + so to write a
model for the height of the mortar s (in ft) at a time
t seconds after launch. Assume that g = 32 ft/sec2.
b. How long will it take the mortar (on the way up) to
clear a tree line that is 80 ft high? Round to the
nearest tenth of a second.
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