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ki77a [65]
3 years ago
11

What amount of temperature do you need to make a metamorphic rock?

Physics
1 answer:
sveta [45]3 years ago
6 0
Anywhere from 400 to 600 degrees Celsius  
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A person runs 400 meters in a straight line. What is their distance and displacement.
suter [353]
Distance = 400 m, Displacement = 400 m in the direction of the straight line.
7 0
2 years ago
When the burner in a hot air balloon is turned on, the temperature of the air in the balloon ________ causing its volume to ____
Georgia [21]

<u>Answer</u>

Part 1) Increase

Part 2) expand

Part 3) rise


<u>Explanation</u>

When the air is heated the molecules gain kinetic energy and starts to collide with walls of the ballon making it to increase it size.

Thus the volume of the balloon expands. When this happens the balloon and its content becomes less dense and it rises.

5 0
3 years ago
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What is the difference between circumstances and circumference??<br><br>pls ans asap​
dimulka [17.4K]

Answer:

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6 0
3 years ago
If a boat and its riders have a mass of 900 kg and the boat drifts in at 1.4 m/s how much work does sam do to stop it?
Rama09 [41]
The initial kinetic energy of the boat and its rider is
K_i =  \frac{1}{2} mv_i^2 =  \frac{1}{2}(900 kg)(1.4 m/s)^2=882 J

After Sam stops it, the final kinetic energy of the boat+rider is
K_f = 0 J
because its final velocity is zero.

For the law of conservation of energy, the work done by Sam is the variation of kinetic energy of the system:
W=K_f-K_i =0-882 J=-882 J
where the negative sign is due to the fact that the force Sam is applying goes against the direction of motion of the boat.
6 0
3 years ago
Acetone is a flammable solvent used in the making of plastics. The density is 790kg/m3. to convert 790kg/m3 to g/cm3​
Artist 52 [7]

Answer: 0.790 g/cm3

Explanation:

The density of acetone is 790 Kg/m3.

To convert from Kg to g we multiply by 1000 (1 Kg = 1000 g)

To convert from m3 to cm3 we multiply by 10∧6

So, The density of acetone in (g/cm3) = (790 x 1000) / (10∧6) = 0.79 g/cm3

4 0
3 years ago
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