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kupik [55]
3 years ago
14

Which of these is an example of convection?

Physics
2 answers:
makkiz [27]3 years ago
8 0

An egg boiling in water

uranmaximum [27]3 years ago
5 0

Which of these is an example of convection?

<u> A. an egg boiling in water </u>

B. an egg frying in a pan

C. an egg exposed to a flame

D. an egg warming under a light

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Membrane walls of living cells have surprisingly large electric fields across them due to separation of ions. (Membranes are dis
Arturiano [62]

Answer:

Voltage, V = 0.0524 volts

Explanation:

Thickness of the membrane, d=7.95\ nm=7.95\times 10^{-9}\ m

Electric field strength, E=6.6\ MV/m=6.6\times 10^6\ V/m

We need to find the voltage across it. The relationship between the voltage, electric field and the distance is given by :

V=E\times d

V=6.6\times 10^6\ V/m\times 7.95\times 10^{-9}

V = 0.0524 volts

So, the voltage across the thick membrane is 0.0524 volts. Hence, this is the required solution.

7 0
3 years ago
The aorta is the main artery from the heart. a typical aorta has an inside diameter of 1.8 cm and carries blood at speeds of up
defon

Answer:

Explanation:

Volume per unit time flowing   will be conserved

a₁v₁  = a₂ v₂

π r₁² x v₁ = π r₂² x v₂

(0.9 x 10⁻²)² x .35 = ( .45 x 10⁻² )² x v₂

v₂ = 1.4 m / s

3 0
3 years ago
Neon gas in a container was heated from 20 degrees celsius to 120 degrees celsius.Its new volume is 150ml.what was the original
djverab [1.8K]

Answer:

110 mL

Explanation:

Ideal gas law:

PV = nRT

Assuming the container isn't rigid, and the pressure is constant, then:

V/T = V/T

Plug in values (remember to use absolute temperature).

V / 293 K = 150 mL / 393 K

V = 110 ml

Hope u understood!

pls mark me brainliest

#staysafestayhome

7 0
3 years ago
When a molecule absorbs an infrared photon it contributes to the ________energy of that molecule.
Tpy6a [65]

Answer: INFRARED ENERGY

5 0
4 years ago
What atom has 5 neutrons and an atomic number of 5?!
meriva

Answer:

boron has an atomic number of 5

but it has 6 neutron

Explanation:

there is no atom which has 5 neutrons and an atomic number of 5.

8 0
3 years ago
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