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4 years ago

8

After dinner, Joanne did not put the leftover casserole away until after watching her favorite television show. What is the long

est time is should be left out at room temperature?

1 answer:

jenyasd209 [6]4 years ago

5 0

Answer:

2 hour

Explanation:

According to my research on Food Safety and Inspection Service (FSIS), I can say that based on the information provided within the question the longest time it should be left out of the refrigerator is 2 hour. This is considering that it was left at room temperature, any higher than room temperature then food-borne bacteria will begin to grow rapidly after about 1 hour and can cause food poisoning if ingested.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

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An object has one force acting on it. It is a 33- Newton force pointing downward. To create a net force of zero on the object, w

Kamila [148]

As soon as I see "Which...", I know that the last part of the question is the list of answer choices, but you decided not to let us see them.

The answer is: A 33-Newton force pointing upward.

4 0

3 years ago

What is the mathematical relationship between voltage (V), resistance (R), and current (I)? Express your answer as an equation:

Lemur [1.5K]

V=IR
I=V/R
R=V/I
these are the realations of voltage ,resistance , and current .

3 0

3 years ago

An isotropic point source emits light at wavelength 510 nm, at the rate of 170 W. A light detector is positioned 410 m from the

Wewaii [24]

Answer:

$\frac{dB}{dt} = 3.03 \times 10^6 T/s$

Explanation:

As we know that the power emitted by the source is given as

$P = 170 W$

now we know that

$P = \frac{N}{t} (\frac{hc}{\lambda})$

now we know that energy density is given as

$u = \frac{B^2}{2\mu_0} + \frac{\epsilon_0 E^2}{2}$

now we have

$E = B c$

$u = \frac{B^2}{2\mu_0}$

intensity is defined as

$I = \frac{P}{A}$

now we have

$\frac{I}{c} = u = \frac{B^2}{2\mu_0}$ [/tex]

now we have

$\frac{dB}{dt} = \omega B$

$\frac{dB}{dt} = \frac{2\pi c B}{\lambda}$

$\frac{dB}{dt} = \frac{2\pi c \sqrt{2\mu_0 I}}{\lambda\sqrt c}$

here we have

$I = \frac{P}{4\pi r^2}$

$I = \frac{170}{4\pi (410)^2}$

$I = 8.05 \times 10^{-5}$

now we have

$\frac{dB}{dt} = \frac{2\pi\sqrt{2\mu_0 c (8.05 \times 10^{-5})}}{(510 nm)}$

$\frac{dB}{dt} = 3.03 \times 10^6 T/s$

4 0

3 years ago

Thomson's experiments accounted for: the mass of the electron the fundamental charge the force on a current-carrying wire the el

gogolik [260]

Thomson experiment he calculated the charge to mass ratio just be passing the fundamental charge through a tube

He calculated the charge to mass ratio just by finding the deflection of charge while it is passing through the constant electric field

so here we will use the deflection as following

let say it passes the field of length "L"

so here we have

$t = \frac{L}{v}$

now in the same time if it deflect by some distance

$\delta y = \frac{1}{2}at^2$

$\delta y = \frac{1}{2}{eE}{m}t^2$

now by solving this equation we can find e/m ratio

so here correct answer will be

the electron's charge-to-mass ratio

7 0

3 years ago

Read 2 more answers

How many atoms of each element are in the chemical formula P205?

Irina-Kira [14]

2 atoms of P (phosphorus) and 5 atoms of O (oxygen)

Explanation:

The chemical formula of a generic compound is written as

$A_n B_m$

where

A and B are the symbols of the elements contained in the compound

n and m are the number of atoms of each element, A and B respectively

In this problem, the compound given is

$P_2 O_5$

where:

- P is the symbol of the chemical element phosphorus

- O is the symbol of the chemical element oxygen

We see that the number following P is 2, so there are 2 atoms of phosphorus, while the number following O is 5, so there are 5 atoms of oxygen.

Learn more about compounds here:

brainly.com/question/10216585

brainly.com/question/2861241

brainly.com/question/10585691

#LearnwithBrainly

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3 years ago