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Viktor [21]
3 years ago
13

All these are properties except

Physics
1 answer:
marin [14]3 years ago
3 0
Amethyst... because it's silicon dioxide
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I think it would be plum pudding, solid ball, solar system.
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3 years ago
How often must you check the temperature of food that is being held with temperature control?.
loris [4]

You need to check the temperature of food being stored in a temperature-controlled environment every four hours. The process of changing a space's temperature is called temperature control.

Cooking food alone may not be enough to avoid food poisoning, though, if the bacteria in food are allowed to grow to large numbers. When the temperature is between 5°C and 63°C, bacteria can grow. The risk zone is the range between 5°C and 63°C.

Temperature control is a process where the passage of heat energy into or out of a space or substance is adjusted to achieve the desired temperature. This process involves measuring or otherwise detecting changes in the temperature of the space (and all of the objects contained therein) or of the substance.

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6 0
1 year ago
Can anybody help me?
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3 years ago
A student coils a copper wire around a bar magnet. What action will cause the device to generate electricity?
kolbaska11 [484]

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6 0
3 years ago
A laser pointer is placed on a platform that rotates at a rate of 60 revolutions per minute. The beam hits a wall 10 m away, pro
Sever21 [200]

Answer:

v = 20\pi sec^2\theta

Explanation:

As we know that the angle made with the vertical is given so we have

tan\theta = \frac{x}{10}

so we have

x = 10 tan\theta

now differentiate both sides with time

v = \frac{dx}{dt} = 10 sec^2\theta \frac{d\theta}{dt}

v = 10 \omega sec^2\theta

now we know that

\omega = 2\pi f

\omega = 2\pi (\frac{60}{60})

\omega = 2\pi

now we have

v = 10(2\pi) sec^2\theta

v = 20\pi sec^2\theta

7 0
4 years ago
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