Join Examsbook
1299 0

Q:

A Navy captain going away from a lighthouse at the speed of 4[(73) -1] m/s. He observes that it takes him 1 minute to change the angle of elevation of the top of the lighthouse from 60 ° to 45 °. What is the height (in meters) of the lighthouse? 

  • 1
    360√3
  • 2
    280√2
  • 3
    240√3
  • 4
    480[(√3)-1]
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "240√3 "

Are you sure

  Report Error

Please Enter Message
Error Reported Successfully