Orbital Velocity is calculated in m/s where as angular velocity is calculated in rad/s.. Answer is very clear.. angular velocity is calculated when body is rotating around a axis and a reference point is needed to calculate it.. where as orbital velocity is calculated when body is moving around a bado in circular path, nt around itself... e.g. Earth rotates around so it have angular velocity .. it also rotates around sun in orbit so it has Orbital velocity also :)
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Orbital velocity is the velocity at which an object orbits around a larger body, such as a planet or star, while angular velocity is the rate at which an object rotates around its own axis. Orbital velocity is specific to objects in orbit, while angular velocity is a measure of rotational speed.
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Orbital angular momentum refers to the rotational motion of a particle around a fixed point. It is important in quantum mechanics as it quantizes the angular momentum associated with the motion of an electron around the nucleus in an atom. The magnitude and direction of orbital angular momentum affect the energy levels and the spatial distribution of electron clouds in atoms.
Orbital velocity refers to the speed at which a planet travels in its orbit.
The highest value for orbital angular momentum is determined by the quantum number l, which can range from 0 to (n-1) where n is the principal quantum number. Therefore, the highest value for orbital angular momentum is (n-1)ħ, where ħ is the reduced Planck constant.
Ceres' mean orbital velocity is about 17.9 kilometers per second.