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GuDViN [60]
4 years ago
13

Which of the following is a U.S. unit of measurement?

Physics
2 answers:
inna [77]4 years ago
8 0

B. Yard

the other answers C. & D. are metric A is a unit of temperature

marta [7]4 years ago
7 0

Answer:

it is yard

Explanation:

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A light ray incident on a block of glass makes an incident angle of 50.0° with the normal to the surface. The refracted ray in t
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Answer:

n_{glass} = 1.65

Explanation:

As we know that the angle of incidence is given as

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now by Snell's law we know that

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1 sin50 = n_{glass} sin 27.7

now we have

n_{glass} = \frac{sin 50}{sin 27.7}

n_{glass} = 1.65

5 0
3 years ago
You place an ice cube of mass 7.50×10−3kg and temperature 0.00∘C on top of a copper cube of mass 0.220 kg. All of the ice melts,
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Answer:

T = 29.66 ^o C

Explanation:

As we know that here final equilibrium temperature is 0 degree C

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so here we have

0.220(385)(T - 0) = (7.50 \times 10^{-3})(3.35 \times 10^5)

T = \frac{2512.5}{0.220 \times 385}

T = 29.66 ^o C

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3 years ago
In which situations is gravitational potential energy present? Check all that apply. A person walks up a flight of stairs. A per
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Where would you find convergent and divergent plate boundaries relative to
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