A swimmer can swim in still water with a speed of underoot 5 m/s. While crossing a river his average speed is 3m/s . If he crosses the river in shortest possible time, what is the speed of flow of water?

Asked by Last Modified  

7 Answers

Follow 0
Answer

Please enter your answer

Tutor

2 m/s
Comments

B.TECH in Civil Engineering from IIT-BHU, Varanasi.

2m/s
Comments

mathmagician

2 m/s
Comments

Maths Educator

2 m/s
Comments

Home Tutor

its 2 m/s
Comments

2m/s
Comments

Physics & Maths

For shortest possible time, he should attempt to swim in perpendicular (to the length of river) direction. And he will be swayed by the flow of river. 5 + n^2 = 3^2 ... yielding n = 2 m/s
Comments

View 5 more Answers

Related Questions

Which is the best book for teacher to prepare to teach CBSE/ICSE mathematics?
You can go through R D Sharma Maths book before teaching CBSE/ICSE mathematics students.
Rahul Choudhari
How to promote IIT JEE classes in Chennai any help?
Hi Chirag, To promote IIT JEE classes in your area, you need to have a complete profile with questions like "Why/How/When/Who" with proper answers so that it will target a particular category of students/parents. Thanks!
pallan c.

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons


Basic Accounting Principles
Basic Accounting Principles: Introduction: We have studied economic activities which have been converted into business activities. In business activity a lot of “give & take” exist which...

Introduction to Trial Balance & its Components
Aims And Objectives At the end of the lesson you be able to: Understand of Sundry Debtors Understanding of Sundry Creditors Understanding of Basics of Trial balance Introduction All...

On GST road, There’s No Checking India
The ‘One Nation One Tax’ slogan isn’t just about uniform rate, it is also about removing check posts at borders, which often clog traffic for hours, delaying shipment of goods. While...

Synfig Tutorial for Std 11 Science and Commerce
Lesson:1 Std-11th Introduction to Multimedia: Communication is an integral part of our life. We use various means of communication like radio, newspaper, television, theatre, movies, internet and others....

Recommended Articles

Raghunandan is a passionate teacher with a decade of teaching experience. Being a skilled trainer with extensive knowledge, he provides high-quality BTech, Class 10 and Class 12 tuition classes. His methods of teaching with real-time examples makes difficult topics simple to understand. He explains every concept in-detail...

Read full article >

Mohammad Wazid is a certified professional tutor for class 11 students. He has 6 years of teaching experience which he couples with an energetic attitude and a vision of making any subject easy for the students. Over the years he has developed skills with a capability of understanding the requirements of the students. This...

Read full article >

Radhe Shyam is a highly skilled accounts and finance trainer with 8 years of experience in teaching. Accounting is challenging for many students and that’s where Radhe Shyam’s expertise comes into play. He helps his students not only in understanding the subject but also advises them on how to overcome the fear of accounts...

Read full article >

Sandhya is a proactive educationalist. She conducts classes for CBSE, PUC, ICSE, I.B. and IGCSE. Having a 6-year experience in teaching, she connects with her students and provides tutoring as per their understanding. She mentors her students personally and strives them to achieve their goals with ease. Being an enthusiastic...

Read full article >

Looking for Class 12 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you