Question

A point object is moving with velocity vo = 2î – 3ĵ + 4k in front of a moving plane mirror whose normal is along x-axis. The mirror is moving with velocity vm = î – 4ĵ + 2k. Find the velocity vector of image​

Answer 1

Explanation:

The velocity of plane mirror =4

i

^

+5

j

^

+8

k

^

Point Velocity =3

i

^

+4

j

^

+5

k

^

Velocity along normal changes but velocity ⊥ to normal remain constant.

V

alongnormal

=

V

Im

K

=(2)(8)−(5)

∴

V

=+[3

i

^

+4

j

^

]+11

k

^