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Alecsey [184]
3 years ago
5

Why does a fast working machine possess more power? Clarify your answerPlz help by answering​

Physics
1 answer:
BARSIC [14]3 years ago
7 0
A chemical reaction increases in speed with the increase in temperature, hard to call that “power” but there's an increase in entropy in the system, far from its equilibrium point molecules start vibrating and colliding more within the system they're in, thus causing the chemical reaction to speed up.
This is a very different answer ....
Hope this helps you....
Mark me as brainliest please...
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1) how is the sun able to produce nuclear fusion?
Bad White [126]
2: Fusion occurs constantly on our sun.When nuclei fuse create a heavier nuclear and produce a little leftover energy in the process
6 0
3 years ago
The Indianapolis Motor Speedway has four banked curves, each of which forms a quarter of a circle. Suppose a race car speeds alo
boyakko [2]

Answer:

r =  255.68 m

Explanation:

When a body moves in a circular path, an acceleration, due to constant change in its direction, is developed, known as centripetal acceleration. The centripetal acceleration acts towards the center of the circular path. The formula to calculate the centripetal acceleration is given as follows:

ac = v²/r

where,

ac = centripetal acceleration = 22 m/s²

v = tangential speed = 75 m/s

r = radius of curve = ?

Therefore,

22 m/s² = (75 m/s)²/r

r = (75 m/s)²/(22 m/s²)

<u>r =  255.68 m</u>

4 0
3 years ago
As Merrill watches his finger with both eyes open as he brings his finger closer to his nose, he feels his eye muscles working.
charle [14.2K]

Answer:

Answered

Explanation:

As Merrill watches his finger with both eyes open as he brings his finger closer to his nose, he feels his eye muscles working. This shows that her eyes  Muscles have both accommodation and convergence.

Accommodation and convergence allows us to view objects both near and at far without double vision.  

4 0
3 years ago
A horse trots 17 miles north and then turns and trots 24 miles at an angle of 40° west of north. Find the resultant displacement
DanielleElmas [232]

Answer:

 Resultant displacement = 38.58 miles at an angle of 23.57° north of west.

Explanation:

Let north represent positive y direction and east represent positive x direction. Unit vector along x direction is represented by i and vector along unit vector along y direction is represented by j

Initial displacement = 17 miles north = 17 j miles

Final displacement = 24 miles at an angle of 40° west of north = 24 miles at an angle of 130° to positive x -axis

                               = (24 cos 130 i + 24 sin 130 j )

                               = (-15.43 i + 18.36 j ) miles

Total displacement = 17 j + (-15.43 i + 18.36 j) = -15.43 i + 35.36 j

Magnitude of displacement =\sqrt{(-15.43)^2+35.36^2} =38.58 miles

Angle to positive x -axis = tan⁻¹(35.36/-15.43) = 113.57°

Resultant displacement = 38.58 miles at an angle of 23.57° west of north.

8 0
3 years ago
A sound wave travels through air. In which regions of the wave are air molecules the least dense? *
mariarad [96]

Answer:

Rarefactions

Explanation:

3 0
3 years ago
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