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Which of the following represents an upside-down image? o a. +doo b. -doo c. +mo d.-m

Aplanet of mass m 6.75 x 1024 kg is orbiting in a circular path a star of mass m 2.75 x 1029 kg. the radius of the orbit is r 8.05 x107 km. what is the orbital period (in earth days) of the planet tplanet?

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?