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alekssr [168]
3 years ago
13

What is an electromagnetic wave?

Physics
1 answer:
satela [25.4K]3 years ago
6 0
I think it is B. Sorry if I’m wrong
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An object starts from rest at the origin and moves along the x axis with a constant
Alika [10]

Answer:

6.9m/s

Explanation:

Given parameters:

Acceleration of the object  = 4m/s²

Distance = from x; 2m to x; 8m

Unknown:

Average velocity  = ?

Solution:

From the given parameters, we use the right motion equation to solve the problem.

   v² = u² + 2aS

v is the final velocity

u is the initial velocity

a is the acceleration

 S is the distance covered

 Distance  = 8m - 2m  = 6m

 Initial velocity  = 0m/s

The final velocity gives us the average velocity in this problem;

       v² = 0² + (2 x 4 x 6) = 48

      v = √48  = 6.9m/s

7 0
3 years ago
What do the metric prefixes milli-, centi-, micro-, kilo-, and mega- mean?
Dimas [21]

Milli- ... thousandth ... 0.001

Centi- ... hundredth ... 0.01

Micro- ... millionth ... 0.000 001

Kilo- ... thousand ... 1,000

Mega- ... million ... 1,000,000

4 0
3 years ago
Fossil fuels store energy from the sun as<br><br> question 5
qwelly [4]

Answer:

Fossil fuels store energy from the sun as

Explanation:

3 0
3 years ago
How efficient are the small and large scale solar-power systems used in individual homes and industrial settings? What is the en
Leviafan [203]

Answer:

\color{Blue}\huge\boxed{Answer}

<em>The potential environmental impacts associated with solar power—land use and habitat loss, water use, and the use of hazardous materials in manufacturing—can vary greatly depending on the technology, which includes two broad categories: photovoltaic (PV) solar cells or concentrating solar thermal plants (CSP).</em>

Explanation:

I just answer the second question

4 0
3 years ago
5. If the momentum of a body is increased by 100% then the percentage increase in kinetic
Mnenie [13.5K]
The answer is the letter ( d )
5 0
3 years ago
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