Solution: Determine the speed of the ship if the lighthouse is known to be 50 meters above sea level

The captain of a ship views the top of a lighthouse at an angle of 60° with the horizontal at an elevation of 6 meters above sea level. Five minutes later, the same captain of the ship views the top of the same lighthouse at an angle of 30° with the horizontal.

Determine the speed of the ship if the lighthouse is known to be 50 meters above sea level.

Problem Statement: ECE Board November 1991

The captain of a ship views the top of a lighthouse at an angle of 60° with the horizontal at an elevation of 6 meters above sea level. Five minutes later, the same captain of the ship views the top of the same lighthouse at an angle of 30° with the horizontal. Determine the speed of the ship if the lighthouse is known to be 50 meters above sea level.

Problem Answer:

The speed of the ship is 0.169 m/sec.

Solution:

Online Questions and Answers in Plane Trigonometry Problems


Post a Comment

Contact Form

Name

Email *

Message *

Powered by Blogger.
Javascript DisablePlease Enable Javascript To See All Widget