Question Answers

Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 3 - Motion in One Dimension > A swimmer crosses a flowing stream of width ω to and fro in time t1. The time taken to cover the same distance up & down the stream is t2 . if t3 is the time swimmer would take to swim a distance 2ω in still water, then:

A swimmer crosses a flowing stream of width ω to and fro in time t1. The time taken to cover the same distance up & down the stream is t2 . if t3 is the time swimmer would take to swim a distance 2ω in still water, then:

Two particles are moving with velocities v1 = i - tj + k and v2 = ti + tj + 2k m/s respectively. Time at which they are moving perpendicular to each other is ........(second)