Question

The rear view mirror of a car is a plane mirror. A driver is reversing his car at a speed of 2 m/s. The driver sees in his rear view mirror the image of a truck parked behind his car. The speed at which the image of the truck appears to approach the driver will be
(i) 1 m/s (ii) 2 m/s
(iii) 4 m/s (iv) 8 m/s

Answer 1

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▶Speed of object in mirror
=> 2 m/s

▶Where, V is original image
=> 2 (2)

=> 4 m/s...Ans..✔

Answer 2

Answer:

(iii) 4 m/s.

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