Question

The relative speed of car moving with 40km/hr due east wrt itself is

Answer 1

Answer:

plz see the attachment

Answer 2

Given,

The speed of car =40km/hr due east

To Find,

The relative speed of car wrt itself.

Solution,

We know the formula for relative speed that Va+(-Vb)

Here we have to find out relative speed wrt itself means,

40km/hr+(-40km/hr)=0

Hence, the relative speed of car is 0.