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Zielflug [23.3K]
3 years ago
5

Four seismometers stations are the minimum needed to calculate the epicenter of an earthquake.

Physics
1 answer:
Marina CMI [18]3 years ago
6 0

"Four seismometer stations are the minimum needed to calculate the epicenter of an earthquake".

Answer: The above statement is False.

<u>Explanation:</u>

  • Seismographs are devices used to measure the movement of earth and it uses a motion sensor named seismometers that are connected with a recording devices.
  • They determine the actual movement of the earth at a particular time and it records the observation.
  • Three seismometers are used to locate the center point of the earthquake region.  
  • Seismograph displays the damage caused by the earthquake in a graphical data based on the readings observed in the seismometer.
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What is the wavelength of violet light that has a frequency of 7.5x10^14
Crank
Λ= V/f 
<span>but change it to represent the speed of light, c </span>
<span>λ= c/f </span>
<span>c = 3.00 x 10^8 m/s </span>
<span>Plug in your given info and solve for λ(wavelength) </span>
<span>λ= 3.00 x 10^8 m/s / 7.5 x 10^14 Hz
(3.00 x 10^8) / (7.5 x 10^14) = 300,000,000 / 750,000,000,000,000 = 0.0000004
Hope this helps :)
</span>
6 0
3 years ago
Read 2 more answers
Which units are used to measure both velocity and speed? Select three options.
xz_007 [3.2K]
M/s, km/h, and mph are all used to measure these quantities
6 0
3 years ago
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Energy captured during the ""photo"" part of photosynthesis is stored in _____ during the ""synthesis"" part of the process.
andre [41]

Energy captured during the ""photo"" part of photosynthesis is stored in  <u>covalent bond</u> during the ""synthesis"" part of the process.

<u>Explanation:</u>

When carbon dioxide, water and sunlight are combindly processed by Plants, algae and a set of bacteria called cyanobacteria to become photoautotrophs, then the process goes is named as Photosynthesis. It generates oxygen, Glyceraldehyde-3-phosphate (G3P), common high-energy carbohydrate molecules which result into glucose, sucrose or other sugar molecules which comprises covalent energy-saving bonds.

Thus the species breakdown these molecules to exhibit energy for cellular functioning. In light-dependent processes, chlorophyll absorbs the radiation from the sunlight and converts it into chemical energy in the form of electron carrier derivatives such as ATP and NADPH. Carbohydrate molecules are constructed from carbon dioxide in light-independent processes i.e in the Calvin cycle, using the chemical energy obtained throughout the light-dependent processes.

5 0
4 years ago
A horse is working steadily, providing 750 W of output power. How much food energy does the horse need to work for 1 hour, to th
Valentin [98]

Answer:

Under assumption that all food energy that needs the horse is transformed into work, then the horse needs approximately 3 megajoules of food energy to work for 1 hour.

Explanation:

Since horse is working steadily, the power experimented by the horse (\dot W), measured in watts, is at constant rate. Then, the work needed by the horse (W), measured in joules, is equal to that power multiplied by time (\Delta t), measured in seconds. That is:

W = \dot W\cdot \Delta t (1)

If we know that \dot W = 750\,W and \Delta t = 3600\,s, then the work needed for the horse is:

W = (750\,W)\cdot (3600\,s)

W = 2.7\times 10^{6}\,J

W = 2.7\,MJ

Under assumption that all food energy that needs the horse is transformed into work, then the horse needs approximately 3 megajoules of food energy to work for 1 hour.

7 0
3 years ago
Complete the calculations for total magnification produced by various combinations of the eyepiece and objective lenses. You may
lesya692 [45]

Answer:

a) m_ttoal = 40x , b)     m_total = 100X , c) m_total = 400X ,

d)     m_total = 1000 X

Explanation:

La magnificación o aumentos es el incremento de del tamaño de la imagen con respecto al tamaño original del objeto, en la mayoria del os sistema optico la magnificacion total es  el producoto de la magnificación del objetivo por la magnificación del ocular

       

    m_total = m_ objetivo  * m=ocular

apliquemos esto a nuestro caso

1)  m_total = 4 x * 10 x

    m_ttoal = 40x

2)  m_total = 10X * 10X

    m_total = 100X

3)mtotal = 40X * 10X

     m_total = 400X

4) m _totla = 100x * 10 X

     m_total = 1000 X

en este ultimo caso para magnificación grandes es decalcificar el objeto

4 0
3 years ago
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