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belka [17]
3 years ago
13

How does a bed exert force on you

Physics
1 answer:
zloy xaker [14]3 years ago
8 0
For every force, there is an equal and opposite reactionary force.

So when your weight acts on the bed, in order for the bed to not collapse, it must be able to exert an equal and opposite force back on you.
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A scientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surf
Sati [7]

Answer:

a) The minimum thickness of the oil slick at the spot is 313 nm

b) the minimum thickness be now will be 125 nm

Explanation:  

Given the data in the question;

a) The index of refraction of the oil is 1.20. What is the minimum thickness of the oil slick at that spot?

t_{min = λ/2n

given that; wavelength λ = 750 nm and  index of refraction of the oil n = 1.20

we substitute

t_{min = 750 / 2(1.20)

t_{min = 750 / 2.4

t_{min = 312.5 ≈ 313 nm

Therefore, The minimum thickness of the oil slick at the spot is 313 nm

b)

Suppose the oil had an index of refraction of 1.50. What would the minimum thickness be now?

minimum thickness of the oil slick at the spot will be;

t_{min = λ/4n

given that; wavelength λ = 750 nm and  index of refraction of the oil n = 1.50

we substitute

t_{min = 750 / 4(1.50)

t_{min = 750 / 6

t_{min = 125 nm

Therefore, the minimum thickness be now will be 125 nm

4 0
2 years ago
Some life forms move so slowly that their movement can not be detected by normal observation the best way to determine any movem
yaroslaw [1]

because the form can be watched over a long time for deviations from the mark.

like fingernails, the grow slowly too. after a time, they get clipped

6 0
3 years ago
A soccer ball is kicked 8 m north. Then a teammate kicks it 6 m east into the goal. What is the soccer ball’s displacement from
dimulka [17.4K]

Answer:

the displacement is zero and the distance is 100 meters

Explanation:

7 0
3 years ago
A ball is dropped from a height of 32 feet. it bounces and rebounds 80% of the height from which it was falling
Step2247 [10]

Answer:

If it falls from 32 feet, how could the distance be 29 feet? Twelve bounces later, 58 is "obviously" incorrect as well. Eliminate those two before you do anything else.

The total distance up until that the nth bounce is  

Sn = (32 - 32(.8)12) / (1 - .8) = 149.004883722... = 149

Explanation:

5 0
3 years ago
Read 2 more answers
Describe how visible light is used with solar photovoltaic panels to produce electricity
padilas [110]
Solar panels convert the sun's light into usable solar energy using N-type and P-type semiconductor material. When sunlight is absorbed by these materials, the solar energy knocks electrons loose from their atoms, allowing the electrons to flow through the material to produce electricity.
6 0
2 years ago
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