A ball is thrown vertically upwards with a velocity of 20 m s −1 from the top of a multistorey building of 25 m high. How high w
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Answer:
The depth of stream to the student is
Explanation:
From the question we are told that
The actual depth of the stream is
The refractive index of the water is
Generally the apparent depth of the stream is mathematically represented as
substituting values