Physics, 17.11.2020 18:30, shy88

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

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 22:30, tladitidimatso1783

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?

Answers: 1

continue

Physics, 22.06.2019 02:10, lolsmaster3951

Which statement correctly describes the relationship between frequency and wavelength?

Answers: 2

continue

Physics, 22.06.2019 06:40, miaglory3828

Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?

Answers: 2

continue

Physics, 22.06.2019 10:00, autumnskye1

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

Answers: 3

continue

Do you know the correct answer?

For what reason did the early Greeks believe the appropriate shape for an orbit was round? Select al...