Advertisements
Advertisements
प्रश्न
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A compressed spring
Advertisements
उत्तर
Potential energy (U)
संबंधित प्रश्न
State the energy change in the following device while in use:
A glowing electric bulb.
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?
Name the type of energy (kinetic or potential) possessed by the following:
A stretched rubber band.
State the changes in form of energy while producing hydro electricity.
State the energy changes in the following case while in use:
an electric bulb
Name the two groups in which various sources of energy are classified. State on what basis are they classified.
A metal ball of mass 2kg is allowed to fall freely from rest from a height of 5m above the ground.
What the kinetic energy of the ball just before it hits the ground ?
Give one example when:
Mechanical energy changes to electric energy.
