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Elden [556K]
3 years ago
14

Question: Define work.​

Physics
1 answer:
rjkz [21]3 years ago
4 0

Answer:

<u>Work</u>, in physics, refers to the measure of energy transfer that occurs when an object is moved over a distance by an external force at least part of which is applied in the direction of the displacement.

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A chicken is running in a circular path with an angular speed of 1.52 rad/s. How long does it take the chicken to complete one r
Zielflug [23.3K]

Answer: approximately 4 seconds

Explanation:

1.52 is approximately pi/4

2pi rad is 360°

Pi/4 rad is 90°

So the chicken runs one-fourth of the path in one second so it runs the hole path in four minutes

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4 years ago
I WILL GIVE BRAINLIEST!!!
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Answer:

B

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For an object at rest, the normal force equals the gravitational force. What is the sum of these forces called? Net force Unbala
IRINA_888 [86]

Answer:

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4 0
3 years ago
What is the physical meaning of Schrodinger's wave function? (b). Calculate the minst three energy levels of an electron in an i
KonstantinChe [14]

Explanation:

(a) The Schrodinger's wave function represent the position of a particle at a particular instant of time. It is also known as the probability amplitude. It is also used to find the location of a particle.

(b) The width of a potential well, l=5\ A=5\times 10^{10}\ m

For first energy level, n = 1

Energy in infinite potential well is given by :

E=\dfrac{n^2h^2}{8ml}

E=\dfrac{(1)^2\times (6.63\times 10^{-34})^2}{8\times 9.1\times 10^{-31}\times 5\times 10^{10}}

E = 0.0120 Joules

For second energy level, n = 2

E=\dfrac{n^2h^2}{8ml}

E=\dfrac{(2)^2\times (6.63\times 10^{-34})^2}{8\times 9.1\times 10^{-31}\times 5\times 10^{10}}

E = 0.0483 Joules

For third energy level, n = 3

E=\dfrac{n^2h^2}{8ml}

E=\dfrac{(3)^2\times (6.63\times 10^{-34})^2}{8\times 9.1\times 10^{-31}\times 5\times 10^{10}}

E = 0.108 Joules

Hence, this is the required solution.

7 0
3 years ago
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