What part of the Copernican model was incorrect?
What will be an ideal response?
Copernicus used uniform circular motion in his model to describe planetary motion.
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Constant Angular Acceleration: How long does it take for a rotating object to speed up from 15.0 rad/s to 33.3 rad/s if it has a uniform angular acceleration of 3.45 rad/s2?
A. 4.35 s B. 5.30 s C. 9.57 s D. 10.6 s E. 63.1 s
Power: If the power rating of a 400-? resistor is 0.80 W, what is the maximum current it can safely draw?
A. 45 mA B. 18 mA C. 4.4 mA D. 2.0 mA E. 320 mA
What might explain how the core formed?
A. the magnetic field pulling it inward B. asteroids hitting and penetrating C. iron sinking to the core as the bulk of Earth melted D. Earthquakes shake the planet and the iron gradually "sifts" downward. E. The silicon of the crust decays into iron at high temperatures.
A mixture of helium and another gas diffuses through a porous barrier. The helium diffuses 3.16 times faster than the other type molecule. Identify the other gas
What will be an ideal response?