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Goryan [66]
3 years ago
9

Which country or region is coal-rich and oil-poor?

Physics
1 answer:
zimovet [89]3 years ago
5 0
THE ANSWER FOR UR QUESTION IS 

WHICH COUNTRY OR REGION IS COAL RICH AND OIL POOR
ANS:- UNITED STATES IS THE COUNTRY WHICH IS COAL RICH AND OIL POOR

HOPE THIS HELPS!!!

^_^ HAPPY TO HELP U ^_^







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Which formula represents Charles’s law? P1V1 = P2V2 V1T1 = V2T2
Lynna [10]

Charles's law is best represent by the formula, V1T2= V2T1.

Charles's law state that for an ideal gas, at constant pressure, the absolute volume of a gas is directly proportional to the temperature.

that is

V α T

Or

V1T2= V2T1.

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3 years ago
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Why is the unit of work is a derived unit<br>​
masha68 [24]

Answer:

Since energy can be measured as work, we can write energy = force x distance. Thus SI derived unit of energy has the units of newtons x meter or kg m2/s2.

Explanation:

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What is the net force on this object?​
Sergio039 [100]
200N

Explanation:
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A ball has a mass of 2 kg and is thrown with a force of 8 Newtons for .35 seconds. What is the ball's change in
Anna [14]

Answer:

1.4s

Explanation:

Given parameters:

Mass of ball  = 2kg

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Time  = 0.35s

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Change in velocity  = ?

Solution:

To solve this problem, we use the expression obtained from Newton's second law of motion which is shown below:

      Ft  = m(v  - u)

 So;

         Ft  = m Δv

F is the force

t is the time

m is the mass

Δv is the change in velocity

             8 x 0.35  = 2 x Δv

                  Δv  = 1.4s

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3 years ago
Which of the following situations describes a change that will result in a new kind of matter with different characteristics?
taurus [48]

Answer:

Chemical property - characteristic of something that allows it to change to something new.

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