Solution: How far from C should he land if he can row at the rate of 6 kph and can walk at the rate of 7.5 kph

A boatman is at A which is 4.5 km from the nearest point B on a straight shore BM. He wishes to reach in minimum time at point C situated on the shore 9 km from B. How far from C should he land if he can row at the rate of 6 kph and can walk at the rate of 7.5 kph.

How far from C should he land if he can row at the rate of 6 kph and can walk at the rate of 7.5 kph?

Problem Statement: EE Board October 1993

A boatman is at A which is 4.5 km from the nearest point B on a straight shore BM. He wishes to reach in minimum time at point C situated on the shore 9 km from B. How far from C should he land if he can row at the rate of 6 kph and can walk at the rate of 7.5 kph.
  • A. 4.15 km
  • B. 3.0 km
  • C. 3.25 km
  • D. 4.0 km

Problem Answer:

The distance from B to C is 3.0 km

Solution:

Latest Problem Solving in Differential Calculus (MAXIMA-MINIMA & TIME RATES)

More Questions in: Differential Calculus (MAXIMA-MINIMA & TIME RATES)

Online Questions and Answers in Differential Calculus (MAXIMA-MINIMA & TIME RATES)


Search! Type it and Hit Enter


Contribute to PinoyBIX Online Reviewers

Post a Comment

Contact Form

Name

Email *

Message *

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