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3 years ago

10

You are standing in front of a flat large mirror. As you step 1.0 m farther from the mirror, the distance between you and your i

mage changes by __________.

1 answer:

Lesechka [4]3 years ago

5 0

Answer:

2 meters

Explanation:

when you step away from a reflection you get farther

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What is the density of an object with mass of 60 g and a volume of 2cm3

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Answer:

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2 years ago

What kind of energy do most electric inventions give off?

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Explanation:

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3 years ago

Zach, whose mass is 90 kg , is in an elevator descending at 12 m/s . the elevator takes 3.0 s to brake to a stop at the first fl

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Finding out the acceleration 12/3 = 4m/s^2
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3 years ago

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A planet has a surface temperature of 95.0 K and an atmospheric pressure of 1.60 atm. If 4.87 L of atmosphere has a mass of 28.6

mr Goodwill [35]

Answer:

M=28.88 gm/mol

Explanation:

Given that

T= 95 K

P= 1.6 atm

V= 4.87 L

m = 28.6 g

R=0.08206L atm .mol .K

We know that gas equation for ideal gas

P V = n R T

P=Pressure , V=Volume ,n=Moles,T= Temperature ,R=gas constant

Now by putting the values

P V = n R T

1.6 x 4.87 = n x 0.08206 x 95

n=0.99 moles

We know that number of moles given as

$n=\dfrac{m}{M}$

M=Molar mass

$n=\dfrac{m}{M}$

$0.99=\dfrac{28.6}{M}$

M=28.88 gm/mol

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Explanation:

i hope this helps, its not the same person but its the same equation.

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