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koban [17]
3 years ago
9

These type of power plants are virtually pollution free

Physics
1 answer:
galben [10]3 years ago
6 0
Geothermal, Wind ,Solar, and Water turbine.

I hope I helped.
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What type of wave has a wavelength?<br><br><br>​
Viktor [21]

Answer:

. Radio waves, infrared rays, visible light, ultraviolet rays, X-rays, and gamma rays are all types of electromagnetic radiation.

Explanation:

Radio waves have the longest wavelength, and gamma rays have the shortest wavelength.

4 0
3 years ago
Suppose you exert 150 n on your refrigerator and push it across the kitchen floor at constant velocity. what friction force acts
Pachacha [2.7K]
Due that the velocity is constant that means that friction force is equal to the force exert by you, otherwise the refrigerator will accelerate or decelerate and in both cases velocity will not be constant.  
So then the friction force between refrigerator and floor is 150 Newtons.
8 0
3 years ago
Read 2 more answers
Please I need help on this
Alexxandr [17]
Number 4 I think
the atomic mass is 11 because the mass is the sum of protons and neutrons
3 0
3 years ago
7. What can be done to prevent such devastating destruction as seen in the earthquake in Haiti? correct me if im wrong on the su
Alex787 [66]
Well, there would have to major supports on every building that was tall even though we have very strong foundation the foundation doesn't do anything except no give us dirt as a floor.but a really strong structure to use is a triangle formation.
Hope this helped
3 0
3 years ago
Which number is 0.0069 expressed in scientific notation? 6.9 × 10 4 6.9 × 10 –6 6.9 × 10 –4 6.9 × 10 –3
Komok [63]

Given: The number = 0.0069 that has to be expressed in scientific notation

Concept: When we express any number in scientific notation then we shall consider two points.

(i) If we shift the decimal point from left to right after first (non-zero) digit then we count the number of shifted place of decimal and write them in terms of the negative power of 10. For example,  0.004789 = 4.789 ×10⁻³

(ii) If we shift the decimal point from right to left after first (non-zero) digit from the left end then we count the number of shifted place and write then in terms of the positive power of 10. For example,  4789.24 = 4.78924 ×10⁺³ = 4.78924 ×10³ Now, we shall convert the given number 0.0069 in scientific notation

0.0069  = 6.9 ×10⁻³ because we have shifted the decimal from left to right for three places that is after digit 6.

Hence, the last option 6.9 ×10⁻³ will be the correct option.

5 0
3 years ago
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