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3 years ago

Which of the following best characterizes an electron?

Physics

2 answers:

barxatty [35]3 years ago

4 0

A, electrons are negatively charged and do orbit around the nucleons

Daniel [21]3 years ago

4 0

The correct answer to this question is "C. positively charged particle that carries electrical current." This statement best characterizes an electron. An electron can be either bound to the nucleus of an atom or free. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.

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A 0.30 kg yo-yo consists of two solid disks of radius 5.10 cm joined together by a massless rod of radius 1.0 cm and a string wr

docker41 [41]

Answer:

0.70046 m/s²

2.732862 N

Explanation:

g = Acceleration due to gravity = 9.81 m/s²

m = Mass of yo-yo = 0.3 kg

R = Radius of rolling disk = 5.1 cm

r = Radius of rod = 1 cm

For a rolling disks the acceleration is given by

$a=\frac{g}{1+\frac{R^2}{2r}}\\\Rightarrow a=\frac{9.81}{1+\frac{0.051^2}{2\times 0.01^2}}\\\Rightarrow a=0.70046\ m/s^2$

The acceleration of the yo-yo is 0.70046 m/s²

The tension in the string will be

$T=m(g-a)\\\Rightarrow T=0.3\times (9.81-0.70046)\\\Rightarrow T=2.732862\ N$

The tension in the string is 2.732862 N

8 0

3 years ago

In a series circuit,

expeople1 [14]

A) Electrons in a series circuit travel in one path, and if the path or wire is broken, the current has no other path to travel, and the circuit does not work. Hope this helps!

4 0

3 years ago

What is the effect of the following change on the volume of 1 mol of an ideal gas? The initial pressure is 722 torr, the final p

Ray Of Light [21]

Answer:

A. Volume is unchanged

Explanation:

$P_{i}$ = initial pressure of the gas = 722 torr = 96258.7 pa

$P_{f}$ = final pressure of the gas = 0.950 atm = 96258.75 pa

$T_{i}$ = initial temperature = 32 °F = 272.15 K

$T_{f}$ = final temperature = 273 K

$V_{i}$ = initial volume

$V_{f}$ = final volume

Using the Equation

$\frac{P_{i} V_{i}}{T_{i}} = \frac{P_{f} V_{f}}{T_{f}}$

Inserting the values

$\frac{(96958.7) V_{i}}{272.15} = \frac{(96958.75) V_{f}}{273}$

$V_{f} = (1.00312) V_{i}$

Hence the volume is unchanged.

4 0

3 years ago

Can you answer These questions?

harina [27]

Well, each of them is more complicated that the typical average Brainly question. But yes, with some time and effort invested, I believe I could answer all three.

8 0

3 years ago

Describe the composition of humus and why it is an effective organic fertilizer

kenny6666 [7]

Answer:

soil additive

Explanation:

Soil Additive

The three main components of humus are fulvic acid, humic acid and humin. The spongy nature of humus helps it to trap and hold water, this particular property also helps to aerate the soil as humus expands and contracts with available water.

3 0

2 years ago