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Gemiola [76]
3 years ago
13

Define mechanical energy. Using the example of the pendulum, explain how kinetic and potential energy relate to the mechanical e

nergy at different positions.
Chemistry
1 answer:
ankoles [38]3 years ago
7 0
Mechanical energy is the sum of potential energy and kinetic energy present in the components of a mechanical system. It is the energy associated with the motion and position of an object. All energy can be expressed in Joules (including thermal <span>energy</span>
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Is bread a molecule or a compound
Papessa [141]

Answer:

Bread is a Molecule.

Explanation:

This is what I found.

Bread cannot be classified as a compound. Compounds are formed when two or more substances are bonded together chemically, however, mixtures are not chemically bonded.

The chemical building blocks of bread are proteins and starch. Starch molecules are long, chained polymers of simple sugars (such as glucose) joined end to end by chemical bonds. Proteins on the other hand are more complex, made up of varying combinations of different amino acids.

Hope this helps.

7 0
3 years ago
NALLOY is made up of two kinds of metals the a LLOY is uniform and parents how would this material be classified
trasher [3.6K]

Answer: An alloy is made up of two kinds of metals. This alloy is uniform in appearance. This material would be classified as a homogeneous mixture

7 0
2 years ago
Read 2 more answers
Number of atoms found in one unit of the compound potassium iodine
Phoenix [80]

Answer:

One atom

Explanation:

8 0
3 years ago
When 50.0 g of 0.200 M NaCl(aq) at 24.1 °C is added to 100.0 g of 0.100 M AgNO3(aq) at 24.1 °C in a calorimeter, the temperature
Annette [7]

Answer:

Q = 693 J

Explanation:

NaCl (aq) + AgNO₃ (aq) → AgCl (s) + NaNO₃ (aq)

Q = mcΔT

Q: heat

m: mass

c: specific heat

ΔT: temperature variation

Q = (50.0g + 100.0g) x (4.20 J/g°C) x (25.2°C - 24.1°C)

Q = 693 J

4 0
4 years ago
Motion is...
fomenos
By definition, motion is the change of position over time. The obvious answer would be 
<span>
A change in position over a certain amount of time.

If we investigate the choices, the first one talks about acceleration. That is delta velocity over delta time. The third choice is simply distance. And the fourth one is just a point in space used as a reference.

I hope I was able to explain it clearly :)</span>
8 0
3 years ago
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