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प्रश्न
What is the form of that graph between
(i) K.E. and velocity for a constant mass?
(ii) K.E. and mass for a constant velocity?
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उत्तर
(i) We have, for a constant mass,
K.E. ∝ v2
Hence, the graph is a parabola.
(ii) We have, for a constant velocity
K.E. ∝ m
Hence, the graph is a straight line.
संबंधित प्रश्न
Name the type of energy (kinetic energy K or potential energy U) possessed in the given case:
A stretched wire
State different forms of potential energy and give one example of each.
Name the two groups in which various sources of energy are classified. State on what basis are they classified.
State the energy transformation on the following:
Electricity is obtained from wind energy.
State the energy transformation on the following:
Electricity is obtained from hydro energy.
State the energy transformation on the following:
Electricity is obtained from nuclear energy.
Identify the type of energy possessed by the body in each of the following:
(a) A coiled spring of the toy car
(b) A hammer which is raised
(c) A stone shot from a catapult
(d) Water stored in the overhead tank
(e) A tadpole moving in water.
What kind of energy is possessed in a situation when?
An electron spinning around the nucleus.
Give two examples each of renewable and non-renewable sources of energy?
Name a device in which solar energy is converted into electricity state its two uses.
