A rotating light is located 11 feet from a wall. The light completes one rotation every 4 seconds. Find the rate at which the light projected onto the wall is moving along the wall when the light's angle is 15 degrees from perpendicular to the wall. wall light feet per second

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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A rotating light is located 11 feet from a wall. The light completes one rotation every 4 seconds. Find the rate
at which the light projected onto the wall is moving along the wall when the light's angle is 15 degrees from
perpendicular to the wall.
wall
light
feet per second
Answer is a positive value.
Transcribed Image Text:A rotating light is located 11 feet from a wall. The light completes one rotation every 4 seconds. Find the rate at which the light projected onto the wall is moving along the wall when the light's angle is 15 degrees from perpendicular to the wall. wall light feet per second Answer is a positive value.
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