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Alexxandr [17]
4 years ago
12

What causes light to refract?

Physics
1 answer:
GaryK [48]4 years ago
8 0

on reflection from a smooth surface, the angle of the ... The reflected ray is always in the plane defined by the incident ray and the ... they reflect off a surface, move from one transparent medium into another, or travel ... be used to understand the images produced by plane and curved mirrors.

Light refracts whenever it travels at an angle into a substance with a different refractive index (optical density). This change of direction is caused by a change in speed. For example, when light travels from air into water, it slows down, causing it to continue to travel at a different angle or direction.

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The cable holding a 2125 kg elevator has a maximum strength of 21,750 N. What is the maximum upward acceleration the cable can g
vivado [14]

Answer:

10.23m/s^2

Explanation:

GIven data

mass of elevator = 2125 kg

Force= 21,750 N

Required

The maximum acceleration upward

F= ma

a= F/m

a=21,750/2125

a= 10.23m/s^2

Hence the acceleration is 10.23m/s^2

4 0
3 years ago
True or false<br> Lightning happens because of the release of static electricity.
SOVA2 [1]
Yes it is true , lightning happens because of the release of static electricity
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3 years ago
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What is the input energy for a microwave? what is the output energy?
mixas84 [53]

I'll assume that you're talking about the kitchen appliance ...
a microwave <em><u>oven</u></em> .

The input energy is electrical energy, from the wall outlet.

The output energy is an intense beam of radio waves at 2.6 GHz
and several hundred watts.

The output energy is NOT heat !  You can run the microwave oven
for as long as you want to, and then if you open the door and stick
your hand inside, the inside will still be cool.

4 0
3 years ago
What type of energy is used to power plant growth and warm the earth?
jek_recluse [69]

Answer:

i think it is geothermal energy

Explanation:

7 0
4 years ago
The maximum force a pilot can stand is about seven times his weight. What is the minimum radius of curvature that a jet plane's
Keith_Richards [23]

Answer:

Radius of curvature of the path is 1063 meters

Explanation:

It is given that,

Force acting on the pilot is about seven times of his weight. Speed with which pilot moves, v = 250 m/s.

As per Newton's second law of motion, the net force acting on the pilot at the bottom is given by :

N-mg=\dfrac{mv^2}{r}

Where

N is the normal force

r is the radius of curvature

According to given condition,

7mg-mg=\dfrac{mv^2}{r}    

6mg=\dfrac{mv^2}{r}    

r=\dfrac{mv^2}{6mg}  

r=\dfrac{mv^2}{6mg}      

r=\dfrac{v^2}{6g}      

r=\dfrac{(250)^2}{6\times 9.8}  

r = 1062.92 meters

or

r = 1063 meters

So, the radius of curvature of the path is 1063 meters. Hence, this is the required solution.

3 0
3 years ago
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