Question

Car A is moving towards east at 8m/s and car B is moving towards south of east.Driver of car B sees that car A is moving in North East direction. Find velocity of car B .Need explanation please

Answer 1

Explanation:

V

b

= velocity of bus

V

c

= velocity of car

V

bc

=25

3

km/hr

now from relative velocity

∣

V

b

∣ =

(25)

2

+(25

3

)

2

= 50km/hr

for direction

tanθ=

25

25

3

=

3

so

′

θ

′

is from east direction

Therefore it will be at 30' east of north