Ubaldo Jimenez is standing on a cliff above a beach. He throws a rock upward at a speed of 70 feet per second from a height 90 feet above the beach. How long will it take until the rock lands on the beach? Round to the nearest tenth of a second.

Ubaldo Jimenez is standing on a cliff above a beach. He throws a rock upward at a speed of 70 feet per second from a height 90 feet above the beach. How long will it take until the rock lands on the beach? Round to the nearest tenth of a second.

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 10.84TI: A man throws a ball into the air with a velocity of 96 ft/sec. Use the formula h=16t2+v0t to...

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Question

Ubaldo Jimenez is standing on a
cliff above a beach. He throws a rock
upward at a speed of 70 feet per
second from a height 90 feet above
the beach. How long will it take until
the rock lands on the beach? Round
to the nearest tenth of a second.

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