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bekas [8.4K]
3 years ago
12

Parallel Circuit Lab, Picture below, 40 points, want to confirm answers

Physics
1 answer:
seropon [69]3 years ago
7 0
The Gettysburg Address

"Fourscore and seven years ago our fathers brought forth on this continent a new nation, conceived in liberty and dedicated to the proposition that all men are created equal. Now we are engaged in a great civil war, testing whether that nation or any nation so conceived and so dedicated can long endure. We are met on a great battlefield of that war. We have come to dedicate a portion of that field as a final resting-place for those who here gave their lives that that nation might live. It is altogether fitting and proper that we should do this. But in a larger sense, we cannot dedicate, we cannot consecrate, we cannot hallow this ground. The brave men, living and dead who struggled here have consecrated it far above our poor power to add or detract. The world will little note nor long remember what we say here, but it can never forget what they did here. It is for us the living rather to be dedicated here to the unfinished work which they who fought here have thus far so nobly advanced. It is rather for us to be here dedicated to the great task remaining before us-that from these honored dead we take increased devotion to that cause for which they gave the last full measure of devotion-that we here highly resolve that these dead shall not have died in vain, that this nation under God shall have a new birth of freedom, and that government of the people, by the people, for the people shall not perish from the earth."

Which of the following is the best summary of the line in bold? (5 points)The battle fought at this particular location was unimportant.

Patriotic citizens have the right to rebel against government.

War is pointless and should be used only as a last resort.

Our purpose is to see this war through and to win it for justice.
answer? LIKE Rn
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It is always a good idea to get some sense of the "size" of units. For example, the mass of an apple is about 100 g , whereas a
marta [7]

Answer and Explanation:

The estimation of the mass of the objects is as follows

Given that

The mass of an apple is about 100 g

Just like that, we do some estimation of different objects

A dime is around 1 g

A smartphone is about 100 g

An adult male is approx 100 kg

A college physics textbook is around 1 kg

A ripe banana is around 100 g

A small car is around 1,000 kg

4 0
4 years ago
Wat is matter made of?
Alex Ar [27]

Matter is made of the particles are called atoms!

hope this helps!

3 0
3 years ago
How is the kinetic energy of the particles that make up a substance different
Valentin [98]

All particles have energy, and the energy varies depending on the temperature the sample of matter is in, which determines if the substance is a solid, liquid, or gas. Solid particles have the least amount of energy, and gas particles have the greatest amount of energy

6 0
4 years ago
A child with a weight of 230 N swings on a playground swing attached to 1.90 m long chains. What is the gravitational potential
nlexa [21]

Answer:

437 J

Explanation:

Parameters given:

Weight of child, W = 230 N

Height of swing, h = 1.9 m

Gravitational Potential Energy is given as:

P. E. = m*g*h = W*h

m = mass

h = height above the ground

W = weight

P. E. = 230 * 1.9

P. E. = 437 J

7 0
3 years ago
Read 2 more answers
What multiple of the time constant τ gives the time taken by an initially uncharged capacitor in an RC series circuit to be char
podryga [215]

Answer:

  t / τ₀ = 2.9

the time constant has to be multiplied by approximately three

Explanation:

The expression for long of a capacitor is

    q = q₀ (1- e (-t/τ₀)

Where q is the charge and τ₀ is the time constant.  What is found for when the initial capacitor charge at 63.5% (e⁻¹) of the maximum charge

In our case we are asked that the load be 94.5%, this means that

    q/q₀ = 94.5%

    q/q₀ = 0.945

Let's replace and calculate

    q/q₀ = 1 - e (-t/τ₀)

    0.945 = 1 - e (-t/τ₀)

    (-t /τ₀) = ln (1 -0.945) = ln (0.055)

    t / τ₀ = 2.9

the time constant has to be multiplied by approximately three for this charge

5 0
4 years ago
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