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3 years ago

Explain how an electrical wet cell functions.

1 answer:

3 0

The chemical reaction causes electricity to flow through the terminals to the load attached. Some of the acid in the battery remains on the plates as it flows through. When the battery is recharged the acid is returned to the liquid solution to provide more power later.

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Ten identical steel wires have equal lengths L and equal "spring constants" k. The wires are connected end to end so that the re

lapo4ka [179]

Answer:

$K_{system} = \frac{k}{10}$

Explanation:

When the springs are connected end to end, it means they are connected in series. When the springs are connected in series, the stress applied to the system gets applied to each of the springs without any change in magnitude while the strain of the system is the sum total of strains of each spring. The spring constant of the resultant system is given as,

$\frac{1}{K_{system}} = (\frac{1}{K_{1}})+(\frac{1}{K_{2}})+(\frac{1}{K_{3}})+ (\frac{1}{K_{4}})+.....+(\frac{1}{K_{n}})$

Here, n = 10

Spring constant of each spring = k

Thus,

$\frac{1}{K_{system}} = (\frac{1}{K_{1}})+(\frac{1}{K_{2}})+(\frac{1}{K_{3}})+ (\frac{1}{K_{4}})+.....+(\frac{1}{K_{10}})$

$\frac{1}{K_{system}} = (\frac{1}{k})+(\frac{1}{k})+(\frac{1}{k})+(\frac{1}{k})+(\frac{1}{k})+(\frac{1}{k})+(\frac{1}{k})+(\frac{1}{k})+(\frac{1}{k})+(\frac{1}{k})$

$\frac{1}{K_{system}} = \frac{10}{k}$

$K_{system} = \frac{k}{10}$

7 0

3 years ago

Read 2 more answers

All objects at any temperature emit radiant energy true or false

kirill [66]

The answer is true.
All object at any temperature emit radiant energy.

4 0

3 years ago

Read 2 more answers

Which of the following scientific terms has the most evidence and observations?

Elza [17]

<span>The correct answer should be B. a scientific law. A hypothesis is a belief by the scientist that may or may not be proven so it exists before evidence and observation, while a theory comes later. However, a law is observation itself and is always evidence of itself. There is no belief or lack of knowledge as to what will happen when it comes to laws. The law of action and reaction has plenty evidence and can easily be observed.</span>

7 0

3 years ago

Describe at least two changes that occurred to the atomic model over time, along with the experimental evidence that made these

e-lub [12.9K]

I think you could use Bohr model and the Plum Pudding Model

Bohr Model : the one that states atoms consist of positively charged nucleus and orbited by negatively charged electrons

Plum Pudding model : Atom consist of objects made to pieces with positive and negative charges

hope this helps

6 0

3 years ago

Read 2 more answers

A substance has a freezing point of -36 degree C and a boiling point of 356 degree C. At what temperature would this substance b

Travka [436]

Answer:

Between -35 degrees C and 355 degrees C

Explanation:

At any temperature between, but not including the freezing and boiling points, the substance would be in its liquid state.

3 0

2 years ago