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- https://phys.libretexts.org/Bookshelves/University_Physics/University_Physics_I_-_Classical_Mechanics_(Gea-Banacloche)/03%3A_Momentum_and_Inertia/3.03%3A_Extended_Systems_and_Center_of_MassFor a solid, extended object, it does, in fact, provide us with the precise form that the law of inertia must take: in the absence of external forces, the center of mass will just move on a straight l...For a solid, extended object, it does, in fact, provide us with the precise form that the law of inertia must take: in the absence of external forces, the center of mass will just move on a straight line with constant velocity, whereas the object itself may be moving in any way that does not affect the center of mass trajectory.
- https://phys.libretexts.org/Courses/Gettysburg_College/Gettysburg_College_Physics_for_Physics_Majors/04%3A_C4)_Systems_and_The_Center_of_Mass/4.02%3A_Extended_Systems_and_Center_of_MassFor a solid, extended object, it does, in fact, provide us with the precise form that the law of inertia must take: in the absence of external forces, the center of mass will just move on a straight l...For a solid, extended object, it does, in fact, provide us with the precise form that the law of inertia must take: in the absence of external forces, the center of mass will just move on a straight line with constant velocity, whereas the object itself may be moving in any way that does not affect the center of mass trajectory.
- https://phys.libretexts.org/Bookshelves/College_Physics/College_Physics_1e_(OpenStax)/08%3A_Linear_Momentum_and_Collisions/8.07%3A_Introduction_to_Rocket_PropulsionRockets range in size from fireworks so small that ordinary people use them to immense Saturn Vs that once propelled massive payloads toward the Moon. The propulsion of all rockets, jet engines, defla...Rockets range in size from fireworks so small that ordinary people use them to immense Saturn Vs that once propelled massive payloads toward the Moon. The propulsion of all rockets, jet engines, deflating balloons, and even squids and octopuses is explained by the same physical principle—Newton’s third law of motion. Matter is forcefully ejected from a system, producing an equal and opposite reaction on what remains.
- https://phys.libretexts.org/Courses/Tuskegee_University/Algebra_Based_Physics_I/07%3A_Linear_Momentum_and_Collisions/7.08%3A_Introduction_to_Rocket_PropulsionRockets range in size from fireworks so small that ordinary people use them to immense Saturn Vs that once propelled massive payloads toward the Moon. The propulsion of all rockets, jet engines, defla...Rockets range in size from fireworks so small that ordinary people use them to immense Saturn Vs that once propelled massive payloads toward the Moon. The propulsion of all rockets, jet engines, deflating balloons, and even squids and octopuses is explained by the same physical principle—Newton’s third law of motion. Matter is forcefully ejected from a system, producing an equal and opposite reaction on what remains.
- https://phys.libretexts.org/Courses/Merrimack_College/Conservation_Laws_Newton's_Laws_and_Kinematics_version_2.0/04%3A_C4)_Systems_and_The_Center_of_Mass/4.02%3A_Extended_Systems_and_Center_of_MassFor a solid, extended object, it does, in fact, provide us with the precise form that the law of inertia must take: in the absence of external forces, the center of mass will just move on a straight l...For a solid, extended object, it does, in fact, provide us with the precise form that the law of inertia must take: in the absence of external forces, the center of mass will just move on a straight line with constant velocity, whereas the object itself may be moving in any way that does not affect the center of mass trajectory.
- https://phys.libretexts.org/Bookshelves/University_Physics/Radically_Modern_Introductory_Physics_Text_I_(Raymond)/10%3A_Dynamics_of_Multiple_Particles/10.05%3A_Rockets_and_Conveyor_BeltsIn the non-relativistic case, \((\mathrm{dp} / \mathrm{dt})_{\mathrm{in}}=\mathrm{u}_{\mathrm{in}}(\mathrm{dm} / \mathrm{dt})_{\mathrm{in}} \text { and }(\mathrm{dp} / \mathrm{dt})_{\mathrm{out}}=\mat...In the non-relativistic case, (dp/dt)in=uin(dm/dt)in and (dp/dt)out=uout(dm/dt)out, where (dm/dt)in is the mass entering the system per unit time with velocity u in and (dm/dt)out is the mass per unit time exiting the system with velocity \(\ma…
