For what reason did the early Greeks believe the appropriate shape for an orbit was round? Select all that apply.
Ptolemy proved that orbits were circular.
Greeks believed the circle represented perfection.
The circular orbit and epicycles allowed for relatively accurate predictions in the placement of the planets.
The earth was known to be round at this time.
Answers: 1
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Atoy airplane, flying in a horizontal, circularpath, completes 10. complete circles in 30.seconds. if the radius of the plane’s circular pathis 4.0 meters, the average speed of the airplane is(1) 0.13 m/s (3) 1.3 m/s(2) 0.84 m/s (4) 8.4 m/s
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For what reason did the early Greeks believe the appropriate shape for an orbit was round? Select al...
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