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4 years ago

5

What does e=mc2 mean?

2 answers:

anyanavicka [17]4 years ago

8 0

E equals the units of energy, m equals the units of mass, and c2 equals the speed of light squared or multiplied by itself. This equation tells us that mass and energy are related, and, in those rare instances where mass is converted totally into energy, how much energy that will be.

svlad2 [7]4 years ago

5 0

Answer:

Energy = mass the speed of light squared

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The correct answer is A because the 4 in the X value repeats two time and on the other ones doesn't

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3 years ago

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Lauren can drive her car 320 miles on 10 gallons of gasoline. Melissa can drive her car 280 miles on 8 gallons of gasoline. Who

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3 years ago

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3 years ago

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3 years ago

Multistep: At 7 p.M. Last night, the temperature was 10 degrees Fahrenheit. At 7 a.M. The next morning, the temperature was -2 d

larisa86 [58]

Answer:

The temperature changed by $-12^\circ F$ overnight.

The temperature changed by $-1^\circ F$ overnight each hour.

Step-by-step explanation:

Given that:

Temperature at 7 PM last night = $10^\circ F$

Temperature at 7 AM the next morning = $-2^\circ F$

a. The change in temperature from 7 PM to 8 AM = Temperature at 7 AM - Temperature at 7 PM

$\Rightarrow -2-10 =\bold{-12^\circ F}$

Negative sign indicates that the temperature has decreased.

b. Change in temperature each hour:

Divide the Change in temperature with the number of hours.

$\Rightarrow \dfrac{-12}{12} = \bold{-1^\circ F}$

Negative sign indicates that the temperature has decreased.

7 0

3 years ago