If an inelastic collision takes place, during the collision, what is conserved?

Physics

1 answer:

sergij07 [2.7K]3 years ago

8 0

Answer:

An inelastic collision is a collision in which there is a loss of kinetic energy. While momentum of the system is conserved in an inelastic collision, kinetic energy is not.

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Determine the energy required to accelerate an electron between each of the following speeds.(a) 0.500c to 0.898c(b) 0.898c to 0

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Answer:

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Explanation:

c = Speed of light = $3\times 10^8\ m/s$

m = Mass of electron = $9.11\times 10^{-31}\ kg$

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Kinetic energy is given by

$E=mc^2\left[\dfrac{1}{\sqrt{1-\dfrac{v^2}{c^2}}}-\dfrac{1}{\sqrt{1-\dfrac{u^2}{c^2}}}\right]\\\Rightarrow E=9.11\times 10^{-31}\times (3\times 10^8)^2\left[\dfrac{1}{\sqrt{1-\dfrac{0.898^2c^2}{c^2}}}-\dfrac{1}{\sqrt{1-\dfrac{0.5^2c^2}{c^2}}}\right]\\\Rightarrow E=9.16689\times 10^{-14}\ J\\\Rightarrow E=\dfrac{9.16689\times 10^{-14}}{1.6\times 10^{-13}}\\\Rightarrow E=0.572\ MeV$

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