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dimulka [17.4K]
3 years ago
5

How is reflection of light used in research

Physics
1 answer:
mel-nik [20]3 years ago
7 0

In order to read the publications of his peers, or read his own notes of the work
that he did on the previous day, or find his coffee mug on his desk in the lab, the
research scientist must arrange to have each of them illuminated with visible
wavelengths of light, and then he must catch the light reflected from each of them
with his eyes.


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With what minimum speed must you toss a 110 g ball straight up to just touch the 11-m-high roof of the gymnasium if you release
Sholpan [36]

Answer:

 v = 13.79 m/s

Explanation:

given,

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P E =KE

m g h= \dfrac{1}{2}mv^2

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