3 years ago

In most materials, as heat energy is absorbed, density

1 answer:

5 0

Answer:

In most materials, as heat energy is absorbed, the density decreases. IF a certain object is heated, it might appear bigger than usual because it expands as the molecules inside moves faster than usual. However the mass of it stays the same while the density decreases.

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a car going 22 m/s accelerates to pass a truck. Five seconds later the car is going 35 m/s. Calculate the acceleration of the ca

Maksim231197 [3]

Using the formula

$a\: = \frac{v - u}{t}$

$a = \frac{35 m/s \: - \: 22 m/s}{5s}$

$a = 2.6 {m/s^2}$

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3 years ago

What is the velocity of a plane to travel 3000 miles from New York to California in 5.0 hours

trapecia [35]

Answer:

10 miles per minute.

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3 years ago

How many basic states of matter exist?<br> three<br> two<br> five<br> four

djverab [1.8K]

Answer:

There are four basic states of matter

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2 years ago

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Technician A says crimping solderless connections is the best method of splicing wires. Technician B says crimping should not be

algol13

Answer:

Technician b is correct.

Explanation:

Crimping cable allows a firm connection in mechanical terms and allows a low resistance path for the signal or the current flow, solder although it is better in terms of electrical conduction, can be impractical if the cable is subjected to excessive movement.

A crimped cable with excessive movement can also be easily broken at the ends, where it joins the part of the cable that is crimped, for this reason, a cable that is in excessive motion is recomended to be spliced by joining cable with cable .

In order to decide which metod is better for splicing cables its necessary to evaluate each situation separatly.

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4 years ago

Does the earth have an electric field

k0ka [10]

Answer:

Yes,earth has an electric field

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3 years ago