Question

Particle A moves along x axis with a speed of 2 ms', while particle B moves towards y-axis with
same speed of 2 ms. What is relative velocity of A with respect to B.
1)2 m/s
2)2 m/s
2)V2 m/s
3)4 m/s​

Answer 1

Answer:

The component of velocity of B along x and y-directions:

V

BX

=20cos60

o

=20×

2

1

=10 m/s

V

BY

=20sin60=20

2

3

=20

3

m/s

And, V

A

=10

i

^

V

B

=10

i

^

+10

3

j

^

V

BA

=V

B

−V

A

=10

i

^

+10

3

j

^

−10

i

^

=10

3

j

^