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Inessa05 [86]
3 years ago
10

A light year is defined as the distance that light can travel in 1 year. What is the value of 1 light year in meter? Show your c

omplete work. [Note: light travels 3 x 10^8 m in 1s.]
Physics
1 answer:
Ipatiy [6.2K]3 years ago
6 0

Answer:

d=9.462×10^15 meters

Explanation:

<u>Relation between distance, temps and velocity:</u>

d=v*t

t=1year*(365days/1year)*/(24hours/1day)*(3600s/1h)=31536000s

So:

1 light year=d=3*10^8m/s*3.154*10^7s=9.462×10^15 meters

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Whenever we move, we alter the rate at which we move into the future. This statement is true. 
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When waves strike an object and bounce off, what has occured
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The answer is reflection
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1. A brick and a peanut are dropped of the roof of a house at the same time, which
iris [78.8K]

Answer:

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3 years ago
Jill applies a force of 250 N to a machine. The machine applies a force of 25 N to an object. What is the mechanical advantage o
Vinvika [58]

Mechanical advantage is defined as the ratio of output load to the input load. The mechanical advantage of the machine will be 0.1.

<h3>What is mechanical advantage?</h3>

Mechanical advantage is a measure of the ratio of output force to input force in a system,

It is used to obtain the efficiency of forces in levers and pulleys. It is an effective way of amplifying the force in simple machines like levers.

The theoretical mechanical advantage is defined as the ratio of the force responsible for the useful work in the system to the applied force.

Given

applied force = 250 N

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Mechanical advantage = work output / work input

\rm{Mechanical advantage}=\frac{F_O}{F_I}

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\rm{Mechanical advantage}=0.1

Hence the mechanical advantage of the machine will be 0.1

To learn more about the mechanical advantage refer to the link;

brainly.com/question/7638820

3 0
2 years ago
When you take pictures with a camera, the distance between the lens and the film or chip has to be adjusted, depending on the di
Shalnov [3]

Answer:

Explanation:

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4 years ago
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