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  

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

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

Ask a Question

Related Lessons

Living with Concepts
Always it is a complain from many students that they do not remember concepts taught and learnt as time progresses. Even exceptional students also falls pray to effect of time fading. The tip which i generally...
B

Babu T

0 0
0

Learn the basic .
Always try to start from core and basic . build your Weaker subject more stronger and Stronger one your strength.

Statistics
Flash back from IX Class A systematic record of facts or different values of a quantity is called data. Features of the data Statistics deals with collection, presentation, analysis and interpretation...
A

Amrtha S.

0 0
0

learn in less time and as a fun
If you want to learn the topics in very less time and with a littlw bit of fun; make some funny lines or few stories.

Pankaj Mishra

0 0
0

Efficient Learning Strategies
Type your notes after class Write your notes onto flashcards - Scrabble -Make posters Review flashcards while walking, at gym, etc. Dog-ear pages in the reading where you can find...

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