An alpha particle collides with an oxygen nucleus, initially at rest. the alpha particle is scattered at an angle of 25.0° above its initial direction of motion, and the oxygen nucleus recoils at an angle of 50.0° below this initial direction. the final speed of the oxygen nucleus is 2.08×105 m/s. (the mass of an alpha particle is 4.0 u, and the mass of an oxygen nucleus is 16 u.) what is the final speed of the alpha particle?
scattering angle of alpha particle = 25.0° above its initial direction of motion
oxygen nucleus recoils at = 50.0° below this initial direction.
final speed of the oxygen = 2.08×10⁵ m/s
mass of alpha particle = 4.0 u
mass o oxygen nucleus = 16 u
momentum conservation along x- axis
putting value in equation (1)
the chart show the masses and velocities of two colliding objects that stick together after a collision.
according to the law of conservation of momentum, the momentum of the object after the collision is
kg • m/s.
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