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ng across a bridge, a t E above the water in m an be modeled with th

ng across a bridge, a t E above the water in m an be modeled with th

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Walking across a bridge, a tourist throws a penny into the water below. The penny's height above the water in meters, p(x), depends on the time in seconds after throwing, x, and can be modeled with the function p(x) = -16x2+ 7x + 15. Approximately how many seconds after being thrown will the penny hit the water? O 0.2 seconds O 1.2 seconds 15.8 seconds 15 seconds
Transcribed Image Text:Walking across a bridge, a tourist throws a penny into the water below. The penny's height above the water in meters, p(x), depends on the time in seconds after throwing, x, and can be modeled with the function p(x) = -16x2+ 7x + 15. Approximately how many seconds after being thrown will the penny hit the water? O 0.2 seconds O 1.2 seconds 15.8 seconds 15 seconds
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