A driver reversing his car at a speed of 4m/s . the driver sees in his real view mirror the image of the truck parked behind his car. what will be the speed at which the image of the truck appears to approach the driver
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Answer: here speed is the relative speed. therefore
speed of image truck w.r.t(with respect to ) mirror of car =2× 4= 8 m/s
Explanation:
when the object move with speed u towards (or away) from the plane mirror then image moves towards (or away ) with speed u.
But relative speed of image w.r.t to object =2(u)
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