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brilliants [131]
2 years ago
12

Question 11 of 29

Physics
1 answer:
lara [203]2 years ago
3 0

Answer:

the answer is a

Explanation:

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Question 25
aniked [119]

Answer:

o The result of a chemical change is a different  composition; in a physical change, the composition  remains the same.

Explanation:

In a chemical change, new kinds of matter are produced although the atoms are the same.

For physical changes, no new kinds of matter formed. Only the state of substances changes.

  • Most chemical changes are usually irreversible
  • Physical changes are reversible in most parts.
  • Changes in state and form are salient characteristics of physical changes.
  • When new products are formed from the reactants, it is an indicator of a chemical change.
7 0
2 years ago
Given the displacement vector D = (4î − 8ĵ) m, find the displacement vector R (in m) so that D + R = −3Dĵ. (Express your answer
Elena-2011 [213]

Answer:

--------------------------------

Explanation:

4 0
3 years ago
The force generated by a long muscle varies as it contracts through its range of movement. At which point is the greatest force
Sedaia [141]

Answer:

When the muscle is completely contract.

Explanation:

Remember the that maximum force of a muscle is when is completely contract. A characteristic of a muscle is that can contract and can relax in the opposite direction. In this way, when all the microfibers of the muscle are join together (they are contract) is when the maximum tissue force is applied.

With exercise the fibers of the muscles can grow or reproduce to strength the muscle.

8 0
3 years ago
Technician A says that the pushrods should be rotating while the engine is running if the camshaft and lifters are okay. Technic
Karo-lina-s [1.5K]

Answer:

Technician A

Explanation:

camshafts rotate at one-half the crankshaft speed

6 0
3 years ago
In the diagram, the arrow shows the movement of electric charges through a wire connected to a battery.
solong [7]

Due to difference in electric potential.

<h3>What is Potential difference?</h3>

The amount of work in an electrical field to move a unit charge from one place to another is known as the electrical potential difference.

Here , the potential difference is the difference in electric potential between two charged substances.

Current is the flow of charges from one end end to another end of a conducting wire connected across a two terminals of a battery.

The potential difference is [provided by the battery across the two terminals due which the charges flow.

Current flow is from positive to negative terminals, indicating the movement of positive charges in that direction.

Hence , potential difference causes the electric charges to flow from one end of the battery .

Learn more about the flow of current : brainly.com/question/2264542

#SPJ1

6 0
2 years ago
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