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Dec 24, 2014



Derivatio...

Feb 6, 2014



mass=1500 kg

Mar 12, 2014

 Derive f the equation for kinetic energy?  Derive f the equation K.E = ½ m v 2



Expression for  Kinetic energy(E

Feb 28, 2014



Feb 17, 2015



Jan 2, 2014

what are three characteristics of sound waves ? On what factors do they depend .



i) Pitch depends on the frequency of the sound waves produced by the source.

(ii) Quality (or Timbre) of the sound depends on wave form.

Feb 18, 2016

wht is commercial unit of energy ? wht is its use??? relate with SI unit of energy



Commercial Unit of Energy. The SI unit joule is too small to express very large quantities of energy. Hence we use a bigger unit called kilowatt hour (kWh) to express energy. 1 kWh is the...

Oct 14, 2013

Is Potential energy a vector quantity or scalar?



Its a scalar quantity

Mar 15, 2014