A point object O and a mirror M move with velocities of 3 cm... — Physics | Mockzy | Mockzy

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+4 / -1

A point object O and a mirror M move with velocities of 3 cm s−1 and 4 cm s−1 respectively as shown in the figure. OO′ is the normal to the mirror. The speed of the image will be -

A

−3î + 2ĵ

B

7î + 2√3ĵ

C

−7î

D

+7î

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