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an object is placed in front of a convex mirror at a distance of 60 m from its pole. object starts moving towards the mirror at 20 m/s. find the average speed of the image for a time interval of 2s
if the focal length of the mirror is 20 m.
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Answer:
1. an object is placed in front of a convex mirror at a distance of 60 m from its pole. object starts moving towards the mirror at 20 m/s. find the average speed of the image for a time interval of 2s if the focal length of the mirror is 20 m.