Which event took place during the Copernican revolution, when most people started to believe in a heliocentric model of the solar system? A. Aristotle developed his model of the solar system.
B. Copernicus rediscovered Aristarchus’s heliocentric model.
C. laws of planetary motion.
D. Newton’s theories of gravity were dismissed and considered invalid.

What is a carrier wave and how does it affect what you hear on the radio

Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.