Question

Lal runs with a speed of 8 m/s towards the east. Pal runs towards the west with a speed of 12 m/s. Assume west is the positive direction what, according to Pal is Lal’s Velocity?

Answer 1

Answer:

Answer

Relative velocity of women w.r.t water=velocity of woman w.r.t ship - velocity of ship w.r.t water

v

w

−

v

s

=

v

w

+(−

v

s

)

The relative velocity of woman w.r.t water is along the resultant of

v

w

and −

v

s

Its magnitude is

v

w

2

+v

s

2

=

6

2

+8

2

=10m/s