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salantis [7]
2 years ago
11

The glowing of a neon light is caused by electrons emitting energy as they

Physics
2 answers:
Crazy boy [7]2 years ago
6 0
Move from higher to lower energy levels
Bumek [7]2 years ago
5 0

Answer:

Electrons move from higher energy level to lower energy level emitting light

Explanation:

Neon is a noble gas and inert in nature which means that it doesn't form bonds with any other atom but if enough electric voltage is applied to it electrons from it will be excited and move to high energy states although momentarily. When these electrons come back to their original energy states they release the excess energy in form of photons which is seen by us as the light coming from the neon light sources.

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Do you know the mass of the car?
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Which feature forms most of the ocean floor. describe it in detail
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If a projectile fired beneath the water, straight up, breaks through the surface at a speed of 13m/s, to what height above the w
OlgaM077 [116]
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3 years ago
Suzy drops a rock from the roof of her house. Mary sees the rock pass her 2.9 m tall window in 0.134 sec. From how high above th
timama [110]

Answer:

Explanation:

Given

length of window h=2.9\ m

time Frame for which rock can be seen is \Delta t=0.134\ s

Suppose h is height above which rock is dropped

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so using equation of motion

y=ut+\frac{1}{2}at^2

where  y=displacement

u=initial velocity

a=acceleration

t=time

time taken to travel h  is

h=0+0.5\times g\times (t_2)^2---2

Subtract 1 and 2 we get

2.9=0.5g(t_1^2-t_2^2)

5.8=g(t_1+t_2)(t_1-t_2))

and from equation t_1-t_2=0.134\ s

so t_1+t_2=\frac{5.8}{9.8\times 0.134}

t_1+t_2=4.416\ s

and t_1=t_2+\Delta t

so t_2+\Delta t+t_2=4.416

2t_2+0.134=4.416

t_2=0.5\times 4.282

t_2=2.141\ s

substitute the value of t_2 in equation 2

h=0.5\times 9.8\times (2.141)^2

h=22.46\ m

                                                     

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3 years ago
Two soccer players try to kick one soccer ball with the same force at the same time in opposite directions. Describe the force a
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Answer:

It will do nothing. The forces are balanced and the ball's motion will not change

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