A person 'P' in train moving due south with 80 kmph and his friend Q moving due west at 60 kmph Q finds that P is travelling with a velocity of

A person 'P' in train moving due south with 80 kmph and his friend Q m

1.	A person 'P' in train moving due south with 80 kmph and his friend Q moving due west at 60 kmph Q finds that P is travelling with a velocity of
Answer» 100 kmph, `Tan^(-1)((4)/(3))S` or E 100 kmph `Tan^(-1)((4)/(3)) E` of S 100 kmph S of E 100 kmph N of E Answer :A