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NARA [144]
3 years ago
5

When it is winter in the northern hemisphere we are receiving?

Physics
2 answers:
Vitek1552 [10]3 years ago
8 0

Answer:

indirect sunlight

Explanation:

we're receiving some sunlight, but not much, if it's winter in one place, it's summer in another

Darina [25.2K]3 years ago
3 0

Answer:

indirest sunlight

Explanation:

if there was no sunlight we would die.

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A positively charged objectwith a mass of 0.114 kg oscillates at the end of a spring, generating ELF (extremely low frequency) r
katen-ka-za [31]

Answer:

  • k = 167.33 N/m

Explanation:

  • The radio waves have a fixed relationship between the propagation speed (the speed of light in vacuum), the frequency and the wavelength, as follows:
  • v = c = λ*f

        where c= speed of light in vacuum = 3*10⁸ m/s, λ = wavelength =  

        4.92*10⁷ m.

        Solving for f, we get the frequency of the radio waves:

        f = 6.1 Hz

  • Now, from the Hooke's law, we know that the mass attached at the end of the spring oscillates with an angular frequency defined by  a fixed relationship between the spring constant k and the mass m, as follows:

       \omega_{o}^{2} =\frac{k}{m}  (1)

  • Now, we know that there exists a fixed relationship between the angular frequency and the frequency, as follows:

       \omega = 2*\pi *f (2)    

  • We also know that f in (2) is the same that we got for the radio waves, so replacing (2) in (1), and rearranging terms, we can solve for k, as follows:
  • k = 4*\pi ^{2}*f^{2} *m = 4*\pi ^{2} * (6.1Hz)^{2} * 0.114 kg = 167.33 N/m

3 0
3 years ago
If you have 3 equal plates hanging 2 spaces from the center of a balance, at what distance would you need to place 2 equal plate
Reptile [31]
You answere would be C. 3 spaces
3 0
3 years ago
What statements correctly describe magnetism?
insens350 [35]
A best describes magnetism
3 0
3 years ago
What do astronomers mean by light pollution?
Margarita [4]

Answer:

a. Light pollution refers to light used for human activities that brightens the sky and hinders astronomical observations.

Explanation:

Light pollution is due to the excessive and misdirected use of artificial light. Light bulbs are often design in an incorrect way, since a great part of its light is not completely directed to the ground and an important percentage is emitted to the sky in where will be scattered and reflected back to ground by the particles in the atmosphere. That brings as an effect a sky glow, therefore the visibility of astronomical objects will be extremely reduce.  

Hence, professional astronomical research and amateur observations will be affected. Light pollution has a negative impact on bird migration at night and in the health of difference species, humans also.          

8 0
3 years ago
Read 2 more answers
If a car was moving at a speed of 25mph for 6 hours, how far would the car travel?​
Anestetic [448]

Answer:

150 miles

Explanation:

25mph x 6hrs = 150miles

7 0
2 years ago
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