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Furkat [3]
4 years ago
9

The distance from the earth to the sun is 1.496 x 1011 meters. The speed of light is 3 x 108 meters per second. Show that correc

t to 3 significant figures, light will take 0.139 hours to travel from the sun to the earth

Mathematics
1 answer:
Phoenix [80]4 years ago
3 0

Answer:

speed of light = 3 x 10^8 meters / second There are 3,600 seconnds per hour so,

speed of light = 3 x 10^8 meters / second * 3,600 = 1.08 x 10^12 meters / hour

1.496 x 10^11 meters ÷ 1.08 x 10^12 meters/hour = .1385 hours which rounds to

.139 hours  

Step-by-step explanation:


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Answer:

T = 47.1875°C

Step-by-step explanation:

Given:

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Let's take Newton's law of cooling:

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9k = ln (\frac{13}{16})

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Let's now find the temperature of the ball after 18 seconds in boiling water.

Use the Newton's equation again:

T - Ts = (T_0 - Ts)e^k^t

T - 100 = (20 - 100)e^-0.0^2^3^0^7^1^0^4^0^5^3^*^1^8

T - 100 = (-80)e^-0.0^2^3^0^7^1^0^4^0^5^3^*^1^8

T - 100= -52.8125

T = 100 - 52.8125

T = 47.1875°C

Temperature of the ball after 18 seconds in boiling water is 47.1875°C

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You need at least $90 to buy some clothes, but your parents don't want to give you more than $150. Write and inequality represen
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Answer:

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Step-by-step explanation:

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