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Rasek [7]
3 years ago
13

Light travels approximately 982,080,000 ft/s, and one year has approximately 32,000,000 seconds. A light year is the distance li

ght travels in one year.
Physics
1 answer:
Vitek1552 [10]3 years ago
3 0
With that information you can calculate the distance that ligth travels in a year:


V = d / t => d = V * t


V = 982,080,000 ft/s


t = 32,000,000 s


=> d = 982,080,000 ft /s * 32,000,000 s = 31,426,560,000,000,000 ft


That is the number of feet the light travels in a year.
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Answer:

\Delta T=38.20^{\circ}

Explanation:

It is given that,

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When the car is in motion, it will possess kinetic energy. It is given by :

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\Delta T is the increase in temperature of the brakes

\Delta T=\dfrac{K}{m'c}

\Delta T=\dfrac{257894}{15\times 450}

\Delta T=38.20^{\circ}

So, the increase in temperature of the brakes is 38.20 degrees Celsius. Hence, this is the required solution.

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The correct answer would be

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