A rock is thrown downward from a platform that is 172 feet above ground at 30 feet per second. Use the projectile formula -16t^2+v0t+h0 determine when the rock hit the ground. [Recall that v0 is the initial velocity of the object and h0 is the initial height of the object.] Answer: The rock will hit the ground after _______?______ and (select the answer)--->(feet,feet per second,seconds, none of these units)
A rock is thrown downward from a platform that is 172 feet above ground at 30 feet per second. Use the projectile formula -16t^2+v0t+h0 determine when the rock hit the ground. [Recall that v0 is the initial velocity of the object and h0 is the initial height of the object.] Answer: The rock will hit the ground after _______?______ and (select the answer)--->(feet,feet per second,seconds, none of these units)
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter10: Quadratic Equations
Section10.4: Solve Applications Modeled By Quadratic Equations
Problem 159E: A bullet is fired straight up from a BB gun with initial velocity 1120 feet per second at an initial...
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A rock is thrown downward from a platform that is 172 feet above ground at 30 feet per second. Use the projectile formula -16t^2+v0t+h0 determine when the rock hit the ground.
[Recall that v0 is the initial velocity of the object and h0 is the initial height of the object.]
Answer: The rock will hit the ground after _______?______ and (select the answer)--->(feet,feet per second,seconds, none of these units)
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