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Alchen [17]
3 years ago
8

Please someone help me? if you have a good answer I will gave U a brainlest :)

Physics
1 answer:
Natali5045456 [20]3 years ago
6 0

Answer:

for one its photo

Explanation: answers

this is easy 1. im not sure

2. erosion

3. is deposition

sorry i cant answer all of them but some simple ones deposition is when that stuff is getting moved, erosion is the breaking down of sokething and weathering is weather such as rain acid rain ice etc weather breeakin down rocks etc

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If a solution surrounding a cell is hypotonic relative to the inside of the cell, in which direction will water move?
BabaBlast [244]

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If the cell is placed in a surrounding solution which is hypotonic in nature.

Then the water from outside of the cell to the inside of the cell. The water will keep on moving from the outside of the cell to the inside of the cell.

The flow of water will take place until the outside environment of the cell and the inside of the cell becomes equal.

The flow of water will take place from the outside of the cell to the inside of the cell.

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3 years ago
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Which of these waves probably has the largest wavelength?
elena-14-01-66 [18.8K]

Answer:

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Explanation:

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4 years ago
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I place an ice cube with a mass of 0.223 kg and a temperature of −35◦C is placed into an insulated aluminum container with a mas
Nadya [2.5K]

To solve this problem it is necessary to use the calorimetry principle. From the statement it asks about the remaining ice, that is, to the point where the final temperature is 0 ° C.

We will calculate the melted ice and in the end we will subtract the total initial mass to find out how much mass was left.

The amount of heat transferred is defined by

Q = mc\Delta T

Where,

m = mass

c = Specific heat

\Delta T =Change in temperature

There are two states, the first is that of heat absorbed by that mass 'm' of melted ice and the second is that of heat absorbed by heat from -35 ° C until 0 ° C is reached.

Performing energy balance then we will have to

Q_i-E_h = Q_m

Where,

Q_ i= Heat absorbed by whole ice

Q_m= Heat absorbed by mass

E_h= Heat energy by latent heat fusion/melting

m_i*c_i \Delta T +m*L_f  = (m_wc_w+m_{al}c_{al})\Delta T

Replacing with our values we have that

0.223*2108(-(-35))+m*3.34*10^5 = (0.452*4186+0.553*902)(27-0)

16452.9+334000m = (1892.072+498.806)*27

Rearrange and find m,

m = 0.144Kg

Therefore the Ice left would be

m' = 0.223-0.144

m' = 0.079Kg

Therefore there is 0.079kg ice in the containter when it reaches equilibrium

8 0
4 years ago
The average threshold of dark-adapted (scotopic) vision is 4.00 10-11 W/m2 at a central wavelength of 500 nm. If light with this
Studentka2010 [4]

Answer:

E = h f = h c / λ     energy of single photon

n E = 4.00E-11 W/m^2       energy required for visibility

n h c / λ = 4.00E-11          number of photons required for visibility (per square meter)

n = 4.00E-11 * 5.00E-7 / (6.63E-34 * 3.00E8)

n = 20.0E-18 / 19.9 E-26 = 1.00E8

100 million photons would be required on 1 m^2 to create visibility

a / A = π * (3.6E-3)^2 / 1 = 4.07E-5     fraction of area available

4.07E-5 * 1.00E8 = 4.07E3  photons required    

           

8 0
2 years ago
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