Connecting Students in 221 Countries

Search *

Video Lectures

Video Lecture Advance Illustration My Sequence My Bookmark

High School/JEE/NEET/IPhO Physics | 17-19 Yrs

Basic Tools

Mechanics

Heat & Thermodynamics

Oscillation & Waves

Properties of Matter

Gravitation

Electrostatics

Magnetic Effects

Optics

Modern Physics

Semiconductors

Communication Systems

sir why did u take negative sign for velocity of river

4 years ago by

Why net velocity is root of Vs square-Vf square not root of Vs square+Vf square?please explain

9 years ago by Arnab Pradhan

Ans 1 ->

apply pythagoras theorem in vector triangle and you get your answer

8 years ago by Paresh Chaudhari

Ans 2 ->

sir plz explain I cant understand.

7 years ago by Shashank Sudhir Dikkar

Log In with by just Once Click -

OR

OR
Log In with your mail ID -
E-Mail:	Enter correct email id. Enter your email id.
Password:	Enter your password.

	Forgot Password ? Click here New User ? Click here