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Maslowich
3 years ago
15

Plsssss I need te answer quick​

Physics
2 answers:
defon3 years ago
5 0

Answer:

I will tell in order of pictures ok

Explanation:

pic1 transmission

pic2 reflection

pic3 refraction

pic4 absorbtion

jok3333 [9.3K]3 years ago
3 0

Explanation:

reflection ... . .......

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the coefficient of kinetic friction between a couch and the floor is 0.65. if the couch has a mass of 42 kg and you push it with
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Explanation:

The net force along the horizontal direction is

\sum{F_x} = F_{applied} - f

where f is the frictional force. We can find the frictional force by looking at the vertical forces acting on the couch:

\sum{F_y} = N - mg = 0 \Rightarrow N = mg

From the definition of frictional force,

f = \mu{N} = \mu{mg} = (0.65)(42\:\text{kg})(9.8\:\text{m/s}^2)

\:\:\:\:= 267.5\:\text{N}

Therefore, the net force on the couch is

\sum{F_x} = 600\:\text{N} - 267.5\:\text{kN} = 332.5\:\text{N}

4 0
2 years ago
atmospheric pressure is measured in all of the following units except ……… ? A. torr B. pascal C. bar D. newton?
AlexFokin [52]

Answer:

C. Bar

Explanation:

6 0
2 years ago
What units are used to measure force
Nastasia [14]
N, or Neutons are a common way to measure force
5 0
4 years ago
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Problem: Suppose that the rate of flow of water through a fire hose is 21.4 kg/s and the stream of water from the hose moves at
Sloan [31]

Answer:

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Explanation:

The force exerted by such a stream is calculated by multiplying the mass flow rate of water by the velocity of the stream of water.

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6 0
3 years ago
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