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Jobisdone [24]
4 years ago
6

Infrared red waves have a shorter wavelength than

Physics
2 answers:
postnew [5]4 years ago
7 0

The answer is C: Radar

Andreas93 [3]4 years ago
6 0
<span>Infrared red waves have a shorter wavelength than 
</span>A Ultra violet
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For an answer to be completed the units need to be specified why?
Setler79 [48]

Answer:

so you know the units in the problem and answer are the same, if they aren't you have to convert them to the same units.

3 0
3 years ago
What are properties of a liquid?
Oksi-84 [34.3K]

Answer:

Pressure

Surface

Flow

Fluency

Explanation:

*Surface

The surface tension is the force with which the surface molecules of a liquid are attracted to bring them inside and thus decrease the surface area.

*Flow

It is defined as resistance to flow. The viscosity of a liquid depends on the intermolecular forces:

-The higher the intermolecular forces of a liquid, its molecules have a greater difficulty moving between them, therefore the substance is more viscous.

-Liquids that are made up of long, flexible molecules that can bend and tangle with each other are more viscous.

* Pressure

if the molecules of the liquid have a greater intensity of intermolecular force, then they will be trapped in the liquid and will have less facility to pass into the gas phase.

    on the contrary to lower intensity of intermolecular force, then the molecules can escape more easily to the gaseous state.

*Fluency

This property allows liquids to easily pass through a hole regardless of size, as long as this hole is at a lower or the same level of the container where the liquid is stored.

This property indicates the deformability of a liquid which is very wide without requiring mechanical stress.

6 0
4 years ago
Use the drop-down menus to answer the questions.
Softa [21]

Answer:

Use the drop-down menus to answer the questions.

Which fossil is the oldest?

✔ trilobite

Which fossil is the youngest?

✔ ammonite

Explanation:

ye

6 0
3 years ago
Read 2 more answers
. A rock is dropped from a height of 4 m. How fast is it going when it hits the ground? The rock has a mass of 2 kg. (Hint: MEi
Bas_tet [7]

Hello!

When the rock is dropped, it only contains Gravitational Potential Energy, and when it hits the ground, it contains Kinetic Energy.

So:

PE = KE
\large\boxed{mgh = \frac{1}{2}mv^2}

We can rearrange to solve for velocity. Cancel out mass and solve.


gh = \frac{1}{2}v^2\\\\2gh = v^2\\\\v = \sqrt{2gh}

Plug in the givens:


v = \sqrt{2(9.8)(4)} = \boxed{8.85 \frac{m}{s}}

4 0
3 years ago
Read 2 more answers
The weight of a person on Earth is 67.0 N. If the gravitational acceleration on the moon is 1.62 m/s2, calculate the person’s we
Rzqust [24]

Answer:

  • \large{ \boxed{ \tt{b) \: 11.0 \: N}}}

- Please see the attached picture for full solution!:)

--------------- HappY LearninG <3 ---------

5 0
2 years ago
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