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anyanavicka [17]
3 years ago
14

What is the unit vector along ⃗ = hat − hat + hat ?​

Physics
1 answer:
Elanso [62]3 years ago
8 0

Answer:

1 hat

Explanation:

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One bright summer day a swimmer is floating with her head just above the surface of a large, clear lake where the water has inde
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Explanation:

n_w = Refactive index of water = 1.43

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Critical angle is given by

\theta_c=sin^{-1}\dfrac{1}{n_w}\\\Rightarrow \theta_c=sin^{-1}\dfrac{1}{1.43}\\\Rightarrow \theta_c=44.37^{\circ}

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So,

tan\theta_c=\dfrac{d}{h}\\\Rightarrow d=tan\theta_c\times h\\\Rightarrow d=tan44.37\times 5.5\\\Rightarrow d=5.38035\ m

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3 years ago
Which of the following is an example of a renewable natural resource?
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