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Mama L [17]
3 years ago
13

Give two examples of common force fields and name the sources of these fields.

Physics
1 answer:
algol133 years ago
4 0
Electric force from electomagnetic force and force of gravity from gravitational force
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Answer \|/

             

Ice is less dense than water.

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When water freezes the molecules inside completely stop moving (They still vibrate but don't change their position much). In doing so, they spread out a touch which makes it less dense than liquid water. So ice floats

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Which property is closely related to its temperature
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Mass – The single most important property that determines other properties of the star. Luminosity – The total amount of energy (light) that a star emits into space. Temperature – surface temperature, closely related to the luminosity and color of the star

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How much does a 20 kg rock weigh on Earth where g = 9.8 m/s2?
pentagon [3]

Answer:

\huge\boxed{196\:N}

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Mass and weight ain't the same thing. So, for calculating weight we would use Newton's 2nd Law of Motion i.e. Force = Mass × Acceleration.

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