A log splitting machine was invented to split logs quickly. A motor powers a metal piece that is pushed through the middle of a
1 answer:
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Answer: 4 ft/s
Explanation:
Given
height of man
speed of person
height if street light
Let x be the distance between person and street light and y be the length of his shadow
From diagram
as the two triangle ADE and ABC are similar therefore we can say that
differentiate above Equation w.r.t time we get
