Choose the correct answer to complete the paragraph about the acceptance of the heliocentric model.
In the second century BCE, the Greek astronomer Ptolemy tried to explain the backward movement of the planets by
using a solar system model that included
For centuries, this was the accepted model. During the
Renaissance, Nicholas
discovered the old heliocentric model of Aristarchus. In Aristarchus's model,
the rising and setting of the Sun was explained by the movement of the
Answers: 2
Physics, 22.06.2019 00:30
Asap time is ! best answer gets compose at least one well-developed paragraph on the following: define the term concurrent powers, and give an example of a concurrent power of government.
Answers: 1
Physics, 22.06.2019 03:00
Which law represents the thermodynamic statement of the conservation of energy of a system? a. the fourth law b. the first law c. the second law d. the third law
Answers: 2
Physics, 22.06.2019 13:00
At a certain instant after jumping from the airplane a, a skydiver b is in the position shown and has reached a terminal (constant) speed vb = 52 m/s. the airplane has the same constant speed va = 52 m/s, and after a period of level flight is just beginning to follow the circular path shown of radius ρa = 2330 m. (a) determine the velocity and acceleration of the airplane relative to the skydiver. (b) determine the time rate of change of the speed vr of the airplane and the radius of curvature ρr of its path, both as observed by the nonrotating skydiver.
Answers: 3
Physics, 22.06.2019 15:10
What does si stand for,when referring to a system of measurement
Answers: 1
Choose the correct answer to complete the paragraph about the acceptance of the heliocentric model.<...
Mathematics, 15.02.2021 21:10
Mathematics, 15.02.2021 21:10
Mathematics, 15.02.2021 21:10
Mathematics, 15.02.2021 21:10
Computers and Technology, 15.02.2021 21:10
Computers and Technology, 15.02.2021 21:10
Computers and Technology, 15.02.2021 21:10
Computers and Technology, 15.02.2021 21:10