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charle [14.2K]
3 years ago
10

Which is most likely a physical change

Physics
2 answers:
Finger [1]3 years ago
4 0
The answer is A because the paper does not change its chemical properties only changes the way it looks.
Deffense [45]3 years ago
3 0
Cutting a substance into four peices
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Compared to water, most metals have low specific heats.<br> true<br> or<br> false
Alchen [17]
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8 0
3 years ago
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Which describes the best approach when conducting a scientific experiment
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When conducting and experiment you want to have a notebook and something to write down notes with so you can keep everything organized and proper, and to not miss anything in the experiment. Also you want to have everything in order of the way it should be in.

I hope you found this helpful!

5 0
3 years ago
Choose the correct statement concerning units of power or energy. a. A kilojoule (kJ) is a unit of power. b. A gigawatt (GW) is
sergiy2304 [10]

Answer:

A kilowatt (kW) is a unit of power.

Explanation:

The power of an object is given by :

P=\dfrac{E}{t}

Here,

E is the energy required

t is time

The SI unit of power is Watts and the SI unit of energy is Joule. the commercial unit of energy is kilowatt per hour.    

Option (1) :  A kilojoule (kJ) is a unit of power is incorrect.

Option (2) : A gigawatt (GW) is a unit of energy is incorrect.

Option (3) : A watt (W) is a unit of energy is incorrect.

Option (4) : A kilowatt x hour per year (kWh/yr) is a unit of energy is incorrect.

Option (4) : A kilowatt (kW) is a unit of power is correct.

Hence, the correct option is (d).

3 0
3 years ago
What is the effective resistance of a car’s starter motor when 150 A flows through it as the car battery applies 12.0 V to the m
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Answer:

From ohms law,

V=IR

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Which of the following best describes the relationship between water conservation and sanitation techniques?
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