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Average Speed

Naman Asks:

“A car travels from A to B with a speed of 30km/h and returns back to A with a speed of 50km/h.Find distance,displacement,average speed and average velocity ifdistance between A and B is 100km.”

 

Answer:

Distance 200 m

Displacement 0

Average velocity 0

Average speed = = 37.5 kmph

A few questions from Yogitha

Yogitha Asked:

  1. Why hot spots are important in harnessing geothermal energy?
  2. Energies that are dependent and non dependent of solar energy?
  3. Compare the energy produced by combustion of an atom of carbon to that of fission of uranium 235?

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