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prohojiy [21]
3 years ago
15

2. Q: If you apply a net force of 3 N on 0.1 Kg-box, what is the acceleration of the box? A: 5 m/s2 B: 10 m/s2 C: 20 m/s2 D: 30

m/s2
​
Physics
2 answers:
Alenkasestr [34]3 years ago
8 0
The answer is D, 30 m/s^2

This is because

Force = mass x acceleration

3N = 0.1kg • x

x = 30
RUDIKE [14]3 years ago
4 0

Answer:

if im getting this right its 3 m/s squared? i think i read the question right

Explanation:

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Shyla is carrying a 10 kg bag up the stairs. Jonas is holding a 15 kg bag. Who is doing more work and why?
solniwko [45]
Jonas because is bag is heavier
5 0
4 years ago
A film of soapy water on top of a plastic cutting board has a thickness of 255 nm. What wavelength and color is most strongly re
Alona [7]

Answer:

the reflected wavelength is lano = 4.55 10⁻⁷ m which corresponds to the blue color

Explanation:

This is a case of reflection interference, we must be careful

* There is a 180º phase change when light passes from the air to the soap film (n = 1,339), but there is no phase change when passing from the pomp to the plastic (n = 1.3)

* the wavelength within the film is modulated by the refractive index

     λₙ =  λ₀ / n

if we consider these relationships the condition for constructive interference is

     2 t = (m + ½)  λₙ

     2t = (m + ½)  λ₀ / n

      λ₀ = 2t n / (m + ½)

we substitute the values

      λ₀= 2 255 10⁻⁹ 1,339 / (m + ½)

      λ₀  = 6.829 10⁻⁷ (m + ½)

let's calculate the wavelength for various interference orders

m = 0

       λ₀ = 6.829 10⁻⁷/ ( 0 +   ½ )

       λ₀ = 13.6 10⁻⁷

       it is not visible

m = 1

      λ₀ = 6,829 10⁻⁷/ (1 + ½)

       λ₀ = 4.55 10⁻⁷

      color blue

m = 2

      λ₀ = 6.829 10⁻⁷ / (2 + ½)

      λ₀ = 2,7 10⁻⁷

   it is not visible

therefore the reflected wavelength is lano = 4.55 10⁻⁷ m which corresponds to the blue color

5 0
3 years ago
Our Sun is a_________ star.
aliina [53]
NAMASTE :)

HERE IS YOUR ANSWER:

Our Sun is a \boxed{high- temperature } star.
5 0
3 years ago
Read 2 more answers
Can someone please help me with science.
Pie

Answer:

I think it is D or A

Explanation:

I have not done this in a long time, so sorry if wrong.

7 0
3 years ago
North America experienced all of the following during the last glacial period EXCEPT alpine glaciers covered the Rocky and Casca
Juli2301 [7.4K]

Answer:

the Hudson Bay was covered with alpine glaciers

Explanation:

During the last glacial period, large portions of North America were covered with ice. The majority of the ice was from the ice sheets that were covering Canada and the northern part of the United States, and the alpine glaciers on the mountain ranges. Hudson Bay was all frozen at this point of time. It was not covered with alpine glaciers though, instead it was covered with the ice of the extended ice sheets, with the ice cover reaching up to 2 km in thickness.

5 0
3 years ago
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