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natima [27]
2 years ago
11

What is entropy need help ASAP pz

Physics
2 answers:
natulia [17]2 years ago
8 0
Entropy is an extensive property of a thermodynamic system. It quantifies the number Ω of microscopic configurations (known as microstates) that are consistent with the macroscopic quantities that characterize the system (such as its volume, pressure and temperature).[1] Under the assumption that each microstate is equally probable, the entropy
S
S is the natural logarithm of the number of microstates, multiplied by the Boltzmann constant
Flauer [41]2 years ago
6 0
A thermodynamic quantity representing the unavailability of a system's thermal energy for conversion into mechanical work, often interpreted as the degree of disorder or randomness in the system.
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A stone is thrown vertically upward with a speed of 18.0 m/s. How fast is it moving when it reaches a height of 11.0m? How long
steposvetlana [31]
Given: v0= 18.0 m/s, y0=0m, yf=11m, g=-9.81 m/s^2 

v0= initial velocity, vf= final velocity, y0= initial height, yf= final height, g= gravity, sqrt()= square root, ^2=squared 

vf^2=v0^2 + (2)(g)(yf-y0) 
vf^2=(18.0 m/s)^2+(2)(-9.81 m/s^2)(11 m-0m) 
vf^2=18.0 m/s)^2 + (-19.62 m/s^2)(11 m)
vf^2=(324 m^2/s^2) - (215.82 m^2/s^2) 
vf^2=108.18 m^2/s^2 
vf=sqrt(108.18 m^2/s^2) 
vf=10.4 m/s
8 0
3 years ago
if you were in a car that drove off the edge of a cliff, why would you be momentarily weightless? would gravity still be acting
Andrews [41]

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Explanation:

3 0
2 years ago
If the velocity of a moving object doubles, what happens to its momentum?
Oksana_A [137]
It doubles
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8 0
3 years ago
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Who and when was mechanical energy discovered? help me please!​
Greeley [361]

Answer:

Explanation:

Thomas Young (1773 − 1829) first introduced the word “energy” to the field of physics in 1800, but the word did not gain popularity. Thomas Young later established the wave nature of light through interference experiments.

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Q1: An object is in a uniform circular motion. Which of the following statements must be<br>true?​
tresset_1 [31]

Answer:

it has constant angular velocity

Explanation:

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2 years ago
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