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2 years ago

How many miles is a light year

Physics

2 answers:

Stells [14]2 years ago

6 0

Answer:

5,878,625,370,000 miles or 5.87 Trillion miles

Explanation:

The result: One light-year equals 5,878,625,370,000 miles (9.5 trillion km).

Marrrta [24]2 years ago

6 0

One light-year equals 5,878,625,370,000 miles (9.5 trillion km)

explanation: To find the distance of a light-year, you multiply this speed by the number of hours in a year (8,766).

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Explanation:

It is given that,

Mass of the brick, m = 1.15 kg

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3 years ago

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3 years ago

How much heat is required to convert 2.55g of water at 28 degrees c to steam?

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There are two different processes here:
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2) other heat must be added to make the water evaporates

1) The heat needed for process 1) is
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where
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$\Delta T=100^{\circ}C-28^{\circ}C=72^{\circ}C$ is the variation of temperature of the water
If we plug the numbers into the equation, we find
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2) The heat needed for process 2) is
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$m=2.55 g$ is the water mass
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If we plug the numbers into the equation, we find
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Complete Question

Complete Question is attached below

Answer: