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Digiron [165]
3 years ago
6

Which of the following is trueregarding the properties of light? 

Physics
2 answers:
Ksenya-84 [330]3 years ago
4 0
<span>B. Light has a dual nature and acts like both a wave and a particle.</span>
Vinil7 [7]3 years ago
4 0

Answer:

The correct answer is B.

Explanation:

Light behaves like an electromagnetic wave and has corpuscular properties. Its energy is transmitted in the form of quantified energy packages, which are photons. The double corpuscular and undulatory aspect of light was discovered by Einstein.

Have a nice day!

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Question 15 of 25
vichka [17]
Answer: conduction :it transfers heat between objects that are in direct contact with eachother
7 0
2 years ago
If a 7 kg bowling ball is lifted 2 m into the air and dropped, what speed will it strike the ground? (
Naily [24]

Answer:

6.32m/s

Explanation:

note:Now these calculations are based in the fact that acc. due to gravity is 10m/s²

okay so I'm thinking you think the speed of a body depends on the mass of the body also,umh... well it doesn't at all!

when two bodies of different masses fall from the same height,they fall at the same time( this is just to say)

now enough of the talking let solve....

so the ball was dropped .ie from rest to the ground through a distance of 2m,

the formula for calculating the distance if a body moving in a straight line is given by:

S=ut + ½at² where u is initial velocity, a is acceleration ( of the body or due to gravity, but since its falling freely under the influence of gravity its " we use the acceleration due to gravity ,which is 10m/s²) and t is the time taken to cover the distance.

from our question the ball was dropped from rest thus its u is 0 therefore we use this equation to find the time it took to touch ground (S=½at²)

solving ....

we get t to be 0.632s

to find the speed we substitute t in the equation below:

V=u+at ,but since u=0

V=at =10•0.632=6.32m/s

therefore the speed the body uses to strike the ground is 6.32m/s

4 0
3 years ago
What is the average velocity of the object?
Andrej [43]

Answer:the rate changes during the position of the object

Explanation:so there is no object that has the same rate but unless it is a specific one like a care but it changes during the position of the object

3 0
2 years ago
The length is a fundamental quantity why​
kupik [55]
There’s no picture and what’s the length?
5 0
3 years ago
Need Help pls i don't understand this question
Nastasia [14]

Answer:

I'm pretty sure the answer you selected is correct.

Explanation:

7 0
2 years ago
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