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An 825-kg space vehicle is circling Earth in a circular orbit with a radius of 10,300 km. Its orbit is to be changed to a larger circle with a radius of 17,400 km. How much energy is required to accomplish this? The mass of Earth is 5.97 × 1024 kg and G = 6.67 x 10-11 N·m2/kg2.
Cultural Survival Kit
The essential beliefs, practices, symbols, and knowledge that a culture relies on for survival and maintaining its identity.
Production
Is the human capacity to make and use tools. It improves our ability to take what we want from nature.
Abstraction
The human capacity to create general ideas, or ways of thinking that are not linked to particular instances. For example, languages, mathematical notations, and signs allow us to classify experience and generalize from it.
Cooperation
The process of working together towards a common goal or benefit, often requiring compromise and collective effort.
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