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Gnoma [55]
3 years ago
13

What is a molecule??

Physics
2 answers:
Doss [256]3 years ago
8 0

Answer:

A molecule is something every mass has and is very small

Explanation:

wlad13 [49]3 years ago
8 0

A molecule is defined as two or more atoms of the same element different element that are bound together. 

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Match each example with the appropriate stage of technological design. drag each arrow to its correct match.
Akimi4 [234]

Answer:

Review each answer in the explanation part

Explanation:

Identify a problem or need = Aerospace engineers need a lightweight material to build a jet

Note: Identify a problem is related always with a need.

After identify the problem the next stage is the design

Design a solution = Engineers determine what features the material must have.

Note: The design process implies the choice of the materials and the proper numeric calculations.

Implement the solution = Engineers test a carbon - plastic compound in a wind tunnel.

Note: after the design, the following process is the built of the equipment and the different tests.

Evaluate the solution = The carbon-plastic compound is redesigned to save maximun energy.

Note: After testing, you enter a part of re-design that means making improvements to the already constructed.

7 0
3 years ago
What happens inside when an air-filled, sealed can, is heated?.
g100num [7]

Answer:

It would explode

Explanation:

you're welcome

5 0
2 years ago
Read 2 more answers
How much heat does it take to raise the temperature of 7.0 kg of water from
aksik [14]

Answer:

non of the above

Explanation:

Quantity of heat = mass× specific heat× change in temperature

m= 7kg c= 4.18 temp= 46-25=21°

.......H= 7×4.18×21= 614.46kJ

6 0
3 years ago
Read 2 more answers
An accelerating voltage
ki77a [65]
Accelerating voltage<span> is the difference in potential between the filament and the anode,and it can be varied between 5 KeV and 30 KeV on the S-500 and between 2 KeV and 30 KeV on the S-450. As the </span>voltage<span> is increased, the electrons travel with higher velocity and are more energetic.</span>
8 0
3 years ago
A car has a force of 2000N and a mass of<br> 1000kg. What is the acceleration of the<br> car?
yan [13]

Answer:

100

Explanation:

by dividing 2000N and 1000kg.

5 0
3 years ago
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