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- https://phys.libretexts.org/Courses/Joliet_Junior_College/Physics_201_-_Fall_2019/Book%3A_Physics_(Boundless)/10%3A_Rotational_Kinematics_Angular_Momentum_and_Energy/10.09%3A_Conservation_of_Angular_MomentumThe law of conservation of angular momentum states that when no external torque acts on an object, no change of angular momentum will occur.
- https://phys.libretexts.org/Bookshelves/University_Physics/Physics_(Boundless)/9%3A_Rotational_Kinematics_Angular_Momentum_and_Energy/9.6%3A_Conservation_of_Angular_MomentumThe law of conservation of angular momentum states that when no external torque acts on an object, no change of angular momentum will occur.
- https://phys.libretexts.org/Courses/Prince_Georges_Community_College/General_Physics_I%3A_Classical_Mechanics/52%3A_Fluid_DynamicsFluid dynamics, studies fluids in motion. It is a complex subject; in fact it's probably the most complex of the physical sciences. Even fairly simple physical systems can have very complicated soluti...Fluid dynamics, studies fluids in motion. It is a complex subject; in fact it's probably the most complex of the physical sciences. Even fairly simple physical systems can have very complicated solutions, and some subjects, such as fluid turbulence, are a long way from being well understood. The study of fluid flow is of great importance in fields like chemical engineering and meteorology.
- https://phys.libretexts.org/Courses/Prince_Georges_Community_College/General_Physics_I%3A_Classical_Mechanics/54%3A_Gravity/54.04%3A_Helmerts_EquationThis value is just a standard value used for the definitions of some units (for example, in the conversion between pounds-force and newtons). The acceleration due to gravity g at the surface of th...This value is just a standard value used for the definitions of some units (for example, in the conversion between pounds-force and newtons). The acceleration due to gravity g at the surface of the Earth varies over the surface of the Earth for a number of reasons: Also, the Earth has an equatorial bulge due to its rotation, so that you're farther from the center of the Earth near the equator.
- https://phys.libretexts.org/Courses/Prince_Georges_Community_College/PHY_1030%3A_General_Physics_I/09%3A_Rotational_Kinematics_Angular_Momentum_and_Energy/9.6%3A_Conservation_of_Angular_MomentumThe law of conservation of angular momentum states that when no external torque acts on an object, no change of angular momentum will occur.
- https://phys.libretexts.org/Bookshelves/Astronomy__Cosmology/Introduction_to_Astronomy_(Lumen)/14%3A_The_Milky_Way_Galaxy/14.10%3A_A_Spinning_SpiralThis page discusses the differential rotation of the Milky Way Galaxy, noting that the Solar System takes 230 million years to orbit it. It highlights the approaching Andromeda Galaxy, which may colli...This page discusses the differential rotation of the Milky Way Galaxy, noting that the Solar System takes 230 million years to orbit it. It highlights the approaching Andromeda Galaxy, which may collide with the Milky Way in 3 to 4 billion years, eventually merging into an elliptical galaxy over a billion years. Additionally, it reflects on themes of curiosity and exploration inspired by Edgar Allan Poe.
- https://phys.libretexts.org/Bookshelves/University_Physics/Mechanics_and_Relativity_(Idema)/05%3A_Rotational_Motion_Torque_and_Angular_Momentum/5.01%3A_Rotation_BasicsSo far, we’ve been looking at motion that is easily described in Cartesian coordinates, often moving along straight lines. Such kind of motion happens a lot, but there is a second common class as...So far, we’ve been looking at motion that is easily described in Cartesian coordinates, often moving along straight lines. Such kind of motion happens a lot, but there is a second common class as well: rotational motion. It won’t come as a surprise that to describe rotational motion, polar coordinates (or their 3D counterparts the cylindrical and spherical coordinates) are much handier than Cartesian ones.
- https://phys.libretexts.org/Bookshelves/Astronomy__Cosmology/Astronomy_for_Educators_(Barth)/03%3A_Modeling_Earth_and_Moon_Together/3.03%3A_Rotation_and_RevolutionWe are going to use the Earth-Moon system model once again, but this activity gets the children thinking about our scientific model in a different way; it also helps students understand the difference...We are going to use the Earth-Moon system model once again, but this activity gets the children thinking about our scientific model in a different way; it also helps students understand the difference between rotation (a body spinning around on an internal axis), and revolution (one body circling around another). These two motions are generally independent of each other.
- https://phys.libretexts.org/Bookshelves/Astronomy__Cosmology/Introduction_to_Astronomy_(Lumen)/13%3A_Galaxies/13.13%3A_Galaxies_Distance_and_AgeThis page discusses the distinct characteristics of galaxies that influence their shapes, brightness, and distances. It highlights the Tully-Fisher Relationship for correlating rotation speed with bri...This page discusses the distinct characteristics of galaxies that influence their shapes, brightness, and distances. It highlights the Tully-Fisher Relationship for correlating rotation speed with brightness and the use of supernovae of white dwarfs as standard brightness measures. Hubble’s Law is also mentioned as a means to infer the age of galaxies and the universe by relating distance and velocity, allowing for time calculations using t=d/V.
- https://phys.libretexts.org/Bookshelves/Astronomy__Cosmology/Introduction_to_Astronomy_(Lumen)/03%3A_Motions_of_the_Moon_Sun_and_Stars/3.01%3A_Motions_of_ObjectsThis page explains the two main motions of celestial bodies: rotation and revolution. Rotation is the spinning of an object around its axis, with Earth completing this every 24 hours and Jupiter in ab...This page explains the two main motions of celestial bodies: rotation and revolution. Rotation is the spinning of an object around its axis, with Earth completing this every 24 hours and Jupiter in about 10 hours, resulting in day and night. Revolution refers to an object's orbit around another, with Earth taking 365.24 days to revolve around the Sun, while Jupiter requires about 11.86 Earth years. These motions change our perspective of the night sky over time.
- https://phys.libretexts.org/Courses/Joliet_Junior_College/Physics_201_-_Fall_2019v2/Book%3A_Custom_Physics_textbook_for_JJC/11%3A_Rotational_Kinematics_Angular_Momentum_and_Energy/11.25%3A_Conservation_of_Angular_MomentumThe law of conservation of angular momentum states that when no external torque acts on an object, no change of angular momentum will occur.
