Physics, asked by mallallall288, 1 month ago

A point source of light O is at a distance 2 m from a vertical screen AB. An opaque object of height 0.5 m moves translationally at a constant speed of 10 cm/s starting at t 0 from 0 towards the screen along the line OA. The speed (in cm/s) of the upper edge P of the shadow of the object at t = 5 s will be​?​

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Answered by mh4410878
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