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12345 [234]
3 years ago
9

What do you call any two colors of light that combine to form white light?

Physics
2 answers:
lukranit [14]3 years ago
5 0

Answer:

complementary colors

Explanation:

art and physics

Sever21 [200]3 years ago
4 0
Hello there!


We called that complementary colors.

As always, it is my pleasure to help students like you!

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How long (in seconds) does it take a car accelerating at 3.1 m/s2 to go from rest<br> to 51 m/s?
Nesterboy [21]

Answer:

 t  = 16.5s

Explanation:

Given parameters:

Acceleration = 3.1m/s²

Initial velocity  = 0m/s

Final velocity  = 51m/s

Unknown:

Time taken  = ?

Solution:

To solve this problem we need to reiterate that acceleration is the rate of change of velocity with time.

So;

        Acceleration  = \frac{v  - u }{t}  

v is the final velocity

u is the initial velocity

t is the time taken

  So;

       3.1  = \frac{51 - 0}{t}  

    3.1t  = 51

       t  = 16.5s

8 0
3 years ago
Light is emitted by electrons when they drop from one energy level to a lower level. Which transition results in the emission of
natulia [17]

Answer:

Level 4 to level 2

Explanation:

Electrons in an atom are contained in specific energy levels (1, 2, 3, and so on) having different distances from the nucleus. When light is emitted by electrons from one energy level to a lower level, level 4 to level 2 has the greatest energy.

Hence, the correct option is "Level 4 to level 2".

3 0
3 years ago
For a given wave if the frequency doubles the wave length?
pav-90 [236]
For a given wave in a given medium, if the frequency doubles,
the wavelength becomes 50% shorter.

That is, it becomes half as long as it was originally.
5 0
3 years ago
A body travels 10 meters during the first 5 seconds of its travel, and it travels a total of 30 meters over the first 10 seconds
igomit [66]
The total distance traveled by the body is the sum of the distance it traveled for the first five seconds which is 10 m and that of the next five seconds which is 30 meters. Thus, the total distance traveled is 40 m. Dividing this by the time, will give the average speed. The average speed is therefore, 4 m/s. The answer is letter C. 
8 0
3 years ago
Read 2 more answers
A 1000-kg car has 50,000 joules of kinetic energy. What is the speed?
djyliett [7]
K.E = 1/2mv^2

The kinetic energy is 50,000 J and the mass of the car is 10,000 kg. 

50,000 J = 1/2(10,000kg)v^2
Solve for v (velocity) 
50,000 J = 5,000 kg x v^2
10 = v^2
\sqrt{10} = v
about 3 m/s (in terms of significant figures) 
4 0
3 years ago
Read 2 more answers
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