Related Rates - Lighthouse

A lighthouse is located on a small island 3 km away from the nearest point P on a straight shoreline and its light makes four revolutions per minute. How fast is the beam of light moving along the shoreline when it is 1 km from P?

 

Jason Slowbe

 
Resource Type
Activity
Tags
relatedrates 
Target Group (Age)
15 – 18
Language
English (United Kingdom)
 
 
 
© 2024 International GeoGebra Institute