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Vedmedyk [2.9K]

3 years ago

8

Why do we get dew on the surface of a cold soft drinking bottle kept in open air?

2 answers:

kvasek [131]3 years ago

5 0

There is a different in temps from the bottle to the air. Its condensation . The more colder the water or drink is the more condensation on the bottle of a hot day . COLD WATER+HOT WATER = More condensation.

JulsSmile [24]3 years ago

3 0

We see small drops of water on the bottle of a cold soft drink water kept in air because the air surrounding the bottle, when comes in contact with the cool surface of water condenses to form water, and this water is seen as drops on the bottle.

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Calculate the frequencies corresponding to the wavelengths 500.00 nm and 500.10 nm. Use these to check the accuracy of equation

mel-nik [20]

Explanation:

It is given that,

Wavelength, $\lambda_1=500\ nm=5\times 10^{-7}\ m$

Wavelength, $\lambda_2=500.10\ nm=5.001\times 10^{-7}\ m$

We need to find the frequencies from corresponding wavelengths. The frequency of the light is given by :

$f=\dfrac{c}{\lambda}$

c is the speed of light

Frequency 1,

$f_1=\dfrac{c}{\lambda_1}$

$f_1=\dfrac{3\times 10^8\ m/s}{5\times 10^{-7}\ m}$

$f_1=6\times 10^{14}\ Hz$

Frequency 2,

$f_2=\dfrac{c}{\lambda_2}$

$f_1=\dfrac{3\times 10^8\ m/s}{5.001\times 10^{-7}\ m}$

$f_1=5.99\times 10^{14}\ Hz$

Hence, this is the required solution.

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3 years ago

A temperature of 34 fereheight is equal to blank kelvin

Oksanka [162]

247.11 Kelvin, you have to convert the 34 Fahrenheit to get to the answer that you need.

5 0

4 years ago

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What effect does urbanization have on land

GrogVix [38]

Urbanization can cause a lot of problems for nature such as pollution, global warming, and depletion of wildlife such as plants and animals.

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A total charge of –6.50 µC is uniformly distributed within a sphere that has a radius of 0.150 m. What is the magnitude and dire

Marrrta [24]

Answer:

A) 2.89 × 105 N/C, radially inward

Explanation:

The magnitude of the electric field generated by a charged sphere is given by the following formula:

$E=k\frac{Q}{r^2}$ ( 1 )

k: Coulomb's constant = 8.98*10^9 Nm^2/C^2

Q: charge of the sphere = -6.50*10^-6 C

r: distance from the center of the sphere to the point in which E is calculated

r = 0.150m + 0.300m = 0.450 m

You replace the values of Q and r in the equation (1):

$E=(8.98*10^9Nm^2/C^2)\frac{6.50*10^{-6}C}{(0.450m)^2}=288246.91\frac{N}{C}\\\\E\approx2.89*10^5\frac{N}{C}$

The electric field points radially inward because the charge is negative.

hence, the answer is:

A) 2.89 × 105 N/C, radially inward

7 0

4 years ago

What is the function of the wire in

Naily [24]

Answer:

I think the right answer is option B.

3 0

4 years ago