3 years ago

In what way do acids affect your body?

Physics

1 answer:

natima [27]3 years ago

7 0

It can affect your body's PH level. Eating foods that are alkaline tends to balance your system to the proper PH level.

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Which option is part of designing a set of experimental procedures?

horrorfan [7]

Answer:d for apex

Explanation:

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4 years ago

You've recently read about a chemical laser that generates a 20.0-cm-diameter, 22.0 MW laser beam. One day, after physics class,

Setler [38]

Answer:

0.3847 m/s

Explanation:

$I$ = Intensity = $\dfrac{P}{A}=\dfrac{P}{\pi r^2}$

d = Diameter = 20 cm

r = Radius = $\dfrac{d}{2}=\dfrac{20}{2}=10\ cm$

c = Speed of light = $3\times 10^8\ m/s$

s = Distance = 100 m

P = Power = 22 MW

Pressure due to the laser is given by

$P_r=\dfrac{I}{c}\\\Rightarrow P_r=\dfrac{P}{Ac}\\\Rightarrow P_r=\dfrac{P}{\pi r^2c}\\\Rightarrow P_r=\dfrac{22\times 10^{6}}{\pi 0.1^2\times 3\times 10^8}\\\Rightarrow P_r=2.33427\ N/m^2$

Force is given by

$F=P_rA\\\Rightarrow F=2.33427\times \pi 0.1^2\\\Rightarrow F=0.07333\ N$

Acceleration is given by

$a=\dfrac{F}{m}\\\Rightarrow a=\dfrac{0.07333}{99}\\\Rightarrow a=0.00074\ m/s^2$

Speed of the block would be

$v=\sqrt{2as}\\\Rightarrow v=\sqrt{2\times 0.00074\times 100}\\\Rightarrow v=0.3847\ m/s$

The speed of the block is 0.3847 m/s

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3 years ago

Ballet position which feet turned out

Dmitry [639]

Although all ballet positons involve turned out feet, the simplest one is first position. Heels are touching and toes face out, as far away from each other as possible (close to 180 degrees of rotation).

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4 years ago

What velocity will it take to slingshot a planet with 9.8m/s gravity

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It depends on how close you get to it. Remember that its gravity decreases as you get farther from it.

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4 years ago

Sound energy into electricity?

mrs_skeptik [129]

The vibrations created by noise can be converted to electrical energy through the principle of magnetic Induction, for example by using transducer.

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4 years ago