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pentagon [3]
3 years ago
7

shoppers often take clothes outside to look at them in daylight before deciding whether to buy why do they do this pls answer

Physics
1 answer:
dem82 [27]3 years ago
8 0

Answer:

Colors appear differently. Different light sources give off different rays that affect the color

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Which of the following is not made up of atoms answers choices A heat b tree c balloon ​
Vlad1618 [11]

Answer:

the answer is  tree

Explanation:

because tree is made up of woodly barks and not atoms so we can say that tree is the answer. u may wander, why not hear or baloon cause heat is a gas state which is made up of atom and baloon contains gall like helium which is also made up of atom.

hope this helps u

5 0
3 years ago
The sun emits energy by converting hydrogen into helium. what is this process called?
AleksAgata [21]
The answer is Nuclear Fusion. The sun emits energy by converting hydrogen into helium. Nuclear fusion does two things, it converts hydrogen into helium and it also converts mass to energy.
7 0
4 years ago
A force of 120 N is acting on a surface of area 100 cm 2 . Calculate the pressure acting on the surface.
defon

Answer:

Thrust is the force acting normally to a surface. So, Thrust = 1200 N. And , Pressure = Thrust / Area. = 1200 / 0.001. = ...

Explanation:

this right like me

6 0
3 years ago
The speed of an electromagnetic wave traveling in a transparent nonmagnetic substance is v = 1/ κμ0ε0 , where κ is the dielectri
vladimir1956 [14]

Answer:

v=2.24\times 10^{8}\ m/s

Explanation:

Given that,

The speed of an electromagnetic wave traveling in a transparent nonmagnetic substance is given by :

v=\dfrac{1}{\sqrt{k\mu_o\epsilon_o}}

Where

k is the dielectric constant of the substance.

v is the speed of light in water

c=\dfrac{1}{\sqrt{1.78\times 4\pi \times 10^{-7}\times 8.85\times 10^{-12}}}

v=2.24\times 10^{8}\ m/s

So, the speed of light in water is 2.24\times 10^{8}\ m/s

7 0
4 years ago
A blue and a green billiard ball, each with a mass of 0.15 kg, collide directly. Before the collision, the blue ball had a speed
cestrela7 [59]

Answer:

.

Explanation:

Can you specify what is the question asking for

4 0
2 years ago
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