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3 years ago

12

What should you to prevent cross contamination when using cutting boards?

1 answer:

barxatty [35]3 years ago

8 0

There are two different ways you can handle it:

1). Use two different cutting boards ...
one for meat and one for vegetables.

2). Wash the board with soap and hot water
BETWEEN the chicken and the veggies.
(Also don't forget your hands, and the knife.)

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3 years ago

RC time constant circuit if R 50 KOC-21 a TOSS c. 1.05 s . what is the expected RC value b. 10.55 d. 0.105 s

Afina-wow [57]

Answer:

Time constant of RC circuit is 0.105 seconds.

Explanation:

It is given that,

Resistance, $R=50\ K\Omega=5\times 10^4\ \Omega$

Capacitance, $C=2.1\ \mu F=2.1\times 10^{-6}\ F$

We need to find the expected time constant for this RC circuit. It can be calculated as :

$\tau=R\times C$

$\tau=5\times 10^4\times 2.1\times 10^{-6}$

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So, the time constant for this RC circuit is 0.105 seconds. Hence, this is the required solution.

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3 years ago

Martha must carry a 45 N package up three flights of stairs. Each flight of stairs has a height of 2.3m, and the actual distance

Darina [25.2K]

Answer:

310.5 J

Explanation:

The total work done by Martha is equal to the increase in gravitational potential energy of the package, which is equal to

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The package is carried up 3 flights of stairs, each one with a height of 2.3 m, so the total increase in heigth is

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And so, the work done by Martha is

$U=(45 N)(6.9 m)=310.5 J$

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