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Iteru [2.4K]
3 years ago
15

Leena is a 16-year-old girl. She complains of tiredness and loss of appetite. She is unable to concentrate on her studies and ap

pears pale and unhealthy. Her mother took her to the doctor. The doctor told her that it was because of her poor diet. What condition is she likely to have?
Physics
1 answer:
PSYCHO15rus [73]3 years ago
7 0

Answer: Her condition most likely is fatigue.

Explanation:

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I believe that fidget toys should not be brought back in school, reason being is because fidget spinners were originally made for students with example: Autism . Who actually needed them. Now that people who don't need them are buying them and playing with them in the classroom, it causes a complete distraction and is not being used for its original purpose whatsoever .
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In the equation for centripetal force, which expression represents the centripetal acceleration of the object? mv2 StartFraction
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Answer: \frac{V^{2}}{r}

Explanation:

According to Newton's 2nd Law of motion the force F is proportional to the mass Fm and acceleration a:

F=m.a (1)

On the other hand, the equation for the Centripetal force is:

F=\frac{mV^{2}}{r} (2)

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Making (1) and (2) equal:

m.a=\frac{mV^{2}}{r} (3)

Hence:

a=\frac{V^{2}}{r} This is the expression for the centripetal acceleration

It should be noted, this acceleration is directed toward the center of the circumference of the circular motion (that's why it's called centripetal acceleration).

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3 years ago
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I think is ocean but I'm not sure
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an aircraft landing on an air craft carrier is brought to a complete stop from an inital velocity of 215km/hr in 2.7 seconds. wh
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Hope it helps
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Unlike acceleration and velocity, speed does not need to specify
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Unlike acceleration and velocity, speed does not need to specify the direction of motion. Speed is a scalar quality.

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