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2 years ago

The best way to prevent heat exhaustion while exercising is to

Physics

1 answer:

algol132 years ago

8 0

Take breaks and drink plenty of water not to much because it will make you sick sorry apparently pu ke is a bad word.

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A uniform copper sphere and a uniform aluminum sphere have the same mass.What is the ratio of the radius of the aluminum sphere

neonofarm [45]

Answer:

$\frac{r_{Al}}{r_{Zn} }= 1.625 : 1$

Explanation:

$density = \frac{mass}{volume}$

ρ = $\frac{m}{v}$

making mass subject of formula we have

m=ρv

from the question aluminium and zinc have same mass hence we can say;

$m_{Al}=m_{Zn}$

which means; $ρ_{Al} V_{Al}=ρ_{Zn} V_{Zn}$

$\frac{ρ_{Al} }{ρ_{Zn} }= =\frac{V_{Zn} }{V_{Al} }$

$\frac{ρ_{Al} }{ρ_{Zn} }= =\frac{4\pi r_{Zn} ^{3} }{4\pi r_{Al}^{3} }$

$\frac{ρ_{Al} }{ρ_{Zn} }= =\frac{r_{Zn} ^{3} }{r_{Al}^{3} }$

$\frac{ρ_{Al} }{ρ_{Zn} }= =(\frac{r_{Zn}}{r_{Al} })^{3}$

$\frac{r_{Zn}}{r_{Al} }= \sqrt{\frac{ρ_{Al} }{ρ_{Zn} }}$

${ρ_{Al}= 2700{/tex] [tex]{ρ_{Zn}= 7130{/tex][tex]\frac{r_{Zn}}{r_{Al} }=\sqrt{\frac{2700 }{7130} }}$

$\frac{r_{Zn}}{r_{Al} }= 0.6154$

$\frac{r_{Al}}{r_{Zn} }=\frac{1}{0.6154}$

$\frac{r_{Al}}{r_{Zn} }= 1.625 : 1$

4 0

3 years ago

which of the seasons is celebrated by many northern cultures with festivals, often symbolizing rebirth?

tensa zangetsu [6.8K]

I’m not entirely certain, but usually, spring symbolizes rebirth.

4 0

3 years ago

Read 2 more answers

A phoneme is the largest unit of sound in a word. TRUE or FALSE.

Degger [83]

The answer to the question is False i.e A phoneme is not the largest unit of sound.

EXPLANATION:

Phoneme is related to linguistics or the sound system of language which is the language specific.

It is defined as the smallest contrastive unit of sound in speech which can give a distinct meaning. It distinguishes one word from the other word in a unique way .When we put all the phonemes of a particular word, the corresponding word is formed .

4 0

2 years ago

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Cause and Effect: What would happen to a space vehicle in orbit around Earth if it sped up?

gulaghasi [49]

Answer:

G M m / R^2 = m v^2 / R gravitational force = centripetal force

G M = v^2 R = constant

As v increases R will must decrease

Take the moon as an example

S = 2 pi R where R is about 240,000 miles for one orbit

S / 1 day = 54,000 miles/day for a 28 day circuit

S / 1 hr = 54000 / 24 = 2200 mph which is much less than a satellite in orbit

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2 years ago

What is the rhyme scheme in Emily Dickinson’s poem, “Hope is the thing with feathers”?

kaheart [24]

Answer is B. ABAB. Hope it helped you, and have a great day.
-Charlie

5 0

2 years ago