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Virty [35]
2 years ago
14

What does hydraulic mean?

Physics
1 answer:
Harrizon [31]2 years ago
4 0

Answer:

denoting, relating to, or operated by a liquid moving in a confined space under pressure.

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A pulley lifts a 72-N load with a force of 24-N. The input distance is 2m and the output distance is 0.5m. What is the efficienc
Debora [2.8K]

Answer:

Explanation:

Work done on the lever ( input energy ) = force applied x input distance

= 24 N x 2m = 48 J

Work done by the lever ( output energy ) = load x output distance

= 72 N x 0.5m = 36 J

efficiency = output energy / input energy

= 36 J  / 48 J

= 3 / 4 = .75

In percentage terms efficiency = 75 % .

5 0
3 years ago
Perpetual motion machines have fascinated people especially inventors for hundreds of years before the laws of thermodynamics be
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Given the fact that energy conversion is not entirely efficient, it is impossible to produce a perpetual motion machine.

<h3>What is a perpetual motion machine?</h3>

The perpetual motion machine in one that is able to work continuously without stopping. This would mean that the efficiency of this machine must that the machine is 100% efficient which violates the second law of thermodynamics.

Thus, given the fact that energy conversion is not entirely efficient and energy looses cause machines not function effectively, it is impossible to produce a perpetual motion machine.

Learn kore about a perpetual motion machine:brainly.com/question/13001849

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5 0
2 years ago
The song Arirang is an example of korean F_L_ _O N_​
sergij07 [2.7K]
Folk song

(Word cap filler)
7 0
2 years ago
A child looks at his reflection in a spherical Christmas tree ornament 8.0 cm in diameter in season that the image of his face i
malfutka [58]

From the information given,

diameter of ornament = 8

radius = diameter/2 = 8/2

radius of curvature, r = 4

Recall,

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Recall,

magnification = image d

8 0
1 year ago
Earning a(n) _________degree will result in you earning approximately 1 million more dollars in your lifetime.
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Earning a <em>bachelor's </em><em>degree will result in you earning approximately 1 million more dollars in your lifetime. </em>

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3 years ago
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