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4 years ago

Differences between regular and irregular

Physics

1 answer:

Vika [28.1K]4 years ago

3 0

Answer:

Differences between regular and irregular objects are:

<h3>Regular object </h3>

Those substances which have fixed geometrical shape are called regular objects.
For example: Books,pencils etc.

<h3>Irregular objects</h3>

Those substances which do not have fixed geometrical shape are called irregular object.
For example: A piece of stone, pieces of broken glass etc.

Hope this helps...

Good luck on your assignment..

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Practice physics chapter 3 grade 11 test

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Board??? what you want??

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4 years ago

How can the distance between the first bright band and the central band be increased in a double-slit experiment?

Strike441 [17]

Answer:

Decrease the slit separation, increase the distance of the screen from the slits, and increase the wavelength.

Explanation:

The distance $y$ from the central band to the first bright band is given by

$y = \dfrac{ \lambda D}{d}$

where $\lambda$ is the wavelength of light (or any particle), $D$ is the distance to the screen, and $d$ is the slit separation.

From this equation we see that, by increasing the wavelength $\lambda$ , increasing the distance from the screen $D$ , and decreasing the slit separation $d$ , we increase the distance between the first bright band and the central band.

Therefore, the 2nd choice "Decrease the slit separation, increase the distance of the screen from the slits, and increase the wavelength." is correct.

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4 years ago

Endothermic reactions give off heat as they proceed. a. True b. False

Temka [501]

B. False
Endothermic reactions absorb heat.

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3 years ago

At 7.0°c, the volume of a gas is 49 ml. at the same pressure, its volume is 74 ml at what temperature?

Rashid [163]

So i converted everything first;
7.0 C ---> 280 K 
49 mL---> 0.049 L 
74mL---> 0.074 L 
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3 years ago

A tree is 257 ft high. To the nearest tenth of a meter, how tall is it in meters? There are 3.28 ft in 1 m.

olga2289 [7]

Answer:

Height of tree = 78.35 meters.

Explanation:

We have

1 meter = 3.28 feet

That is

$1 ft = \frac{1}{3.28}=0.3048m$

Here height of tree = 257 ft

Height of tree = 257 x 0.3048 = 78.35 m

Height of tree = 78.35 meters.

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4 years ago