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What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4Γ106m.
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Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?
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Which ball-and-stick model represents a molecule of similar atomic composition to carbon dioxide (CO...
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