# Conservation laws, let's go!

Classical Mechanics Level 2

Body of mass $$m_{1}$$ is moving with some horizontal speed and hits the body of mass $$m_{2}$$ which is not moving. What is the ratio of the masses $$\left(\dfrac{m_{1}}{m_{2}}\right)$$ if the speed of the first body reduced 1,5 times after central elastic collision?

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