24 A ball is thrown from an initial height of 5 feet with an initial upward velocity of 17 ft/s. The ball's height h (in feet) after t seconds is given by the following. h=5+17t-16ť Find all values of t for which the ball's height is 9 feet. Round your answer(s) to the nearest hundredth. (If there is more than one answer, use the "or" button.) t = ||| seconds O JO initial height ground Continue Submit As MacBook Air F7 F8 888 & #3 $4 6:: EL MI 34

24 A ball is thrown from an initial height of 5 feet with an initial upward velocity of 17 ft/s. The ball's height h (in feet) after t seconds is given by the following. h=5+17t-16ť Find all values of t for which the ball's height is 9 feet. Round your answer(s) to the nearest hundredth. (If there is more than one answer, use the "or" button.) t = ||| seconds O JO initial height ground Continue Submit As MacBook Air F7 F8 888 & #3 $4 6:: EL MI 34

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 bullet is fired straight up from a BB gun with initial velocity 1120 feet per second at an initial height of 8 feet. Use the formula h=16t2+v0t+8 to determine how many seconds it will take for the bullet to hit the ground. (That is, when will h=0 ?)
Use a calculator to help solve each problem. Free-falling objects After t seconds, a certain falling object has a velocity v given by vt=501-e-0.3t. Which is falling faster after 2 seconds, this object or the skydiver in Exercise 38? 38. Sky diving Before the parachute opens, the velocity v in meters per second of a skydiver is given by vt=501-e-0.2t. Find the initial velocity.
Solve. 342. A water balloon is launched upward at the rate of 86 ft/sec. Using the formula h=16t2+86t , find how long it will take the balloon to reach the maximum height and then find the maximum height. Round to the nearest tenth.
An arrow shot from the ground into the air at an initial speed of 108 ft/s. Use the formula h=16t2+v0t determine when the arrow will be 180 feet from the ground. Round the nearest tenth.
An arrow is shot from the ground into the air at an initial speed of 108 ft/sec. Use the formula h=16t2+v0t to determine when the arrow will be 180 feet from the ground. Round the nearest tenth of a second.