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प्रश्न
Give one example when:
Heat energy changes to kinetic energy.
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उत्तर
In the automobile engine, heat energy changes to kinetic energy.
संबंधित प्रश्न
What is geothermal energy?
(i) The conversion of part of the energy into an undesirable form is called ______________.
(ii) For a given height h, __________________ the length l of the inclined plane, lesser will be the effort required.
Explain how, geothermal energy is used to generate electricity.
State two advantages of geothermal energy.
Two toy-cars A and B of masses 500 g and 200 g respectively are moving with the same speed. Which of the two has the greater kinetic energy?
What is solar energy?
Explain the principle of generating electricity from hydro energy.
Write the type of energy possessed in the following case:
A bent bow
A body of mass m falls from a height h1 to a height h2, above the ground (h1 > h2). What is the loss of potential energy?
Obtain an expression for the kinetic energy of a body of mass m moving with a velocity v?
