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vlada-n [284]
2 years ago
8

8. Which segment represents deceleration?

Physics
2 answers:
andrew11 [14]2 years ago
6 0

Answer:

not enough data is given as they all are going up by two after the jump to ten

xenn [34]2 years ago
4 0
It’s C. 10-12 seconds.

Explanation:
Velocity is basically speed. So if velocity decreases, then it’d be the same as the speed decreasing, or decelerating.
Hope this helps!
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Which form of energy is involved in weighting fruit on a spring scale ?
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The correct answer is elastic potential energy.

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5 0
4 years ago
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Give one example of a thermodynamic cycle that does not account for the carnot efficiency.
Arturiano [62]

Thermo-Electrochemical converter (UTEC) is a thermodynamic cycle that does not account for the Carnot Efficiency.

The Carnot cycle is a hypothetical cycle that takes no account of entropy generation. It is assumed that the heat source and heat sink have perfect heat transfer. The working fluid also remains in the same phase, as opposed to the Rankine cycle, in which the fluid changes phase. A practical thermodynamic cycle, such as the Rankine cycle, would achieve at most 50% of the Carnot cycle efficiency under similar heat source and heat sink temperatures.

<h3>What is Thermo-Electrochemical converter?</h3>

In a two-cell structure, a thermo-electrochemical converter converts potential energy difference during hydrogen oxidation and reduction to heat energy.

It employs the Ericsson cycle, which is less efficient than the Carnot cycle. In a closed system, it converts heat to electrical energy. There are no external input or output devices.

This means there will be no mechanical work to be done, as well as no exhaust. As a result, Carnot efficiency is not taken into account in this cycle. Carnot efficiency is accounted for by other options such as turbine and engine.

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4 0
2 years ago
A suitcase is pulled 28 feet along a flat sidewalk with a constant upward force of 80 lb at an angle of 23degrees with the horiz
Elenna [48]

Answer:

2795.3 J

Explanation:

distance, d = 28 feet = 8.53 m

Force, F = 80 lb = 356 N

Angle, θ = 23°

Work = F x d x cos θ

W = 356 x 8.53 x cos 23

W = 2795.3 J

Thus, the work done is 2795.3 J.

5 0
4 years ago
Which best describes the weak nuclear force? It is weaker than the gravitational force, with a greater range than the weak nucle
labwork [276]

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It acts between fermions with spin 1/2 basically quarks and leptons. It has a range of 10⁻¹⁸ meters.

Option 1 is incorrect. It is stronger than the gravitational force.

Option 2 is incorrect. It is weaker than the electromagnetic force.

Option 3 is incorrect. It has a smaller range than the strong nuclear force.

7 0
4 years ago
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Identify the two functional groups that react to form polyester.
KiRa [710]
Polyester are commonly made up of an organic alcohol that contains a hydroloxyl and a carboxylic acid which contains a carboxyl. polyester is a class of synthetic polymers built up from multiple chemical repeating units linked together by ester groups. it also displays a wide array of properties and practical applications.
3 0
3 years ago
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