A neutron particle (mass= 1.0 u) is emitted from an atomic nucleus in the direction of its velocity. Initial speed of nucleus is 395 m/s and slowed down to 310 m/s. Atomic nucleus has a mass of 180 u. Find the speed of the neutron particle when emitted* a) 0.86X 10^5 m/s b) 1.5 x10 ^4 m/s c) 2.1 x10^4 m./s d) 2.7 x110 ^6 m/s e) nota

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Relativistic Energy and Momentum

According to classical physics, time flow is the same for every observer. But according to einstein's theory, time flow is different for different observers. The idea that time flow is not the same for all may sound strange because we may not experience this effect in everyday life. This effect is only observed when an object moves with some velocity comparable to the velocity of light. This velocity is termed relativistic velocity.