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zhuklara [117]
3 years ago
5

Why does a solid keep its shape

Physics
1 answer:
garri49 [273]3 years ago
7 0

Answer:

Solids can hold their shape because their molecules are tightly packed together. Atoms and molecules in liquids and gases are bouncing and floating around, free to move where they want. The molecules in a solid are stuck in a specific structure or arrangement of atoms.

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A pair of narrow, parallel slits separated by 0.254 mm are illuminated by green light of wavelength 559 nm. An interference patt
UkoKoshka [18]

Answer: 3.76 mm

Explanation: The formulae that defines the position of a nth fringe from the center of a double slit interference experiment is given below as

y =R×mλ/d

Where y = distance between the nth fringe and the center

R = distance between slits and screen = 1.71 m

m = position of fringe = 1

d = distance between slits = 0.254 mm = 0.000254m

λ = wavelength of light = 559 nm = 559×10^-9m

By substituting parameters, we have that

y = 1.71×1×559×10^-9/0.000254

y = 0.00000095589 / 0.000254

y = 0.00376m = 3.76 mm

4 0
3 years ago
How do weathering and deposition differ
makkiz [27]
weathering refers to the actual breaking part of the rock or soil. deposition happens when the weathered and eroded material is deposited and finally comes to a stand still.
5 0
3 years ago
Which term describes a substance that has a low melting point and poor electrical conductivity?
densk [106]

Answer:Simple Covalent substance

Explanation:Simple covalent substance describes a substance that has a low melting point and poor electrical conductivity because:

(1)melting point :For the covalent bond and intermolecular force that are present in a simple covalent substance,energy is needed to break the forces of attraction present. In the simple covalent substance, little energy is needed because the intermolecular forces present are broken because they are weaker compared to the covalent bond present.

Therefore, when simple covalent substance melts,only the intermolecular forces are broken leaving only the covalent bond in the substance.

(2) poor conductivity: for a substance to conduct electricity,it must have charged particles which are free to move to and fro.

But in the simple covalent substance,there are no charged particles that can be separated due to the covalent bond present in simple covalent substance.

4 0
3 years ago
If we increase the force applied to an object and all other factors remain the same that amount of work will
worty [1.4K]
Hello there.

<span>If we increase the force applied to an object and all other factors remain the same that amount of work will

</span><span>C. Increase
</span>
5 0
2 years ago
Read 2 more answers
A 0.50-kg mass attached to the end of a string swings in a vertical circle (radius 2.0 m). When the mass is at the highest point
il63 [147K]

Answer:

31.1 N

Explanation:

m = mass attached to string = 0.50 kg

r = radius of the vertical circle = 2.0 m

v = speed of the mass at the highest point = 12 m/s

T = force of the string on the mass attached.

At the highest point, force equation is given as

T + mg =\frac{mv^{2}}{r}

Inserting the values

T + (0.50)(9.8) =\frac{(0.50)(12)^{2}}{2}

T = 31.1 N

7 0
2 years ago
Read 2 more answers
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