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प्रश्न
A boy sits and stands repeatedly. Draw a graph showing the variation of potential energy with time.
उत्तर
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संबंधित प्रश्न
Define calorific value of a fuel.
Name the type of energy (kinetic or potential) possessed by the following:
A moving bus.
Name the form of energy which a body may possess even when it is not in motion. Give an example to support your answer.
Select the renewable and non-renewable sources of energy from the following:
Coal
Name the energy changes for the following
human body
Show that the quantity 2K/v2 has the unit of mass, where K is the kinetic energy of the body.
Name the form of energy in which potential energy can change.
What is dissipation of energy?
State the energy changes which take place when:
During electrolysis.
Calculate the kinetic energy of a body of mass 0.1 kg. and momentum 40kg m/s.
