Show that kinetic energy is invariably lost in an inelastic collision?
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Answered by
28
Momentum conservation states that
initial momentum= final momentum
mV= (m+2m) v'
m V= 3mV'
V= 3V'
Initial K.E
K.E= 1/2 mV²
or = 1/2 m(3V')²
Final K..E
K.E'= 1/2 mV'²
change in K.E
ΔKE/ KE= KE - KE'/KE
it will be = (3V')²- V'²/ 3V'²
= 8/9
initial momentum= final momentum
mV= (m+2m) v'
m V= 3mV'
V= 3V'
Initial K.E
K.E= 1/2 mV²
or = 1/2 m(3V')²
Final K..E
K.E'= 1/2 mV'²
change in K.E
ΔKE/ KE= KE - KE'/KE
it will be = (3V')²- V'²/ 3V'²
= 8/9
Answered by
9
Answer: The inelastic collision in the collision in which kinetic energy is not observed due to the action of internal friction. Kinetic energy is turned into vibration energy of the atom, causing a heating effect and body deformed.
Hope its help you.
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