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3 years ago

______is the amount of matter in an object. It does not change regardless

Physics

1 answer:

kicyunya [14]3 years ago

6 0

Answer:

Mass

Explanation:

The weight of an object is dependent upon the mass and the value of acceleration due to gravity:

W = mg

Since the value of acceleration due to gravity (g) changes from planet to planet. Hence, the weight of an object also changes with location.

Friction depends upon the material of surfaces and the weight.

F = (coefficient of friction)W

Since weight changes with location. Therefore, the friction also changes with location.

The mass of an object is the quantity of matter contained in the body. It remains constant anywhere in the universe.

Hence, the correct option is:

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3 years ago

If five joules were required to move a crate in 3.7 seconds, what power was applied?

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Answer:

The answer to your question is 1.35 Watts

Explanation:

Data

Work = W = 5 J

time = t = 3.7 s

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P = $\frac{W}{t}$

Substitution

$P = \frac{5}{3.7}$

Result

P = 1.35 W

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