In contradiction to the teachings of Aristotle, Galileo found that an object with no forces (and no friction) acting on it will ____

a. move faster and faster
b. eventually stop moving
c. move at a constant speed forever
d. first increase and then decrease in speed
e. first decrease and then increase in speed


c

Physics & Space Science

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Kirchhoff's Rules: Determine the current in the 8.0-? resistor for the circuit shown in the figure. Assume that the batteries are ideal and that all numbers are accurate to two significant figures.

A. 0.28 A B. 1.3 A C. 1.6 A D. 2.1 A

Physics & Space Science

Why didn't they see flickering brightness that would show black holes were eating gas from mergers?

A: The earliest light went away from the galaxy in a different direction. B: Because black holes themselves didn't exist until much later. C: There's a delay between the merger and time gas and stars flow into black hole. D: Black holes need billions of years to grow large enough to swallow whole stars. E: Because mergers do not produce new stars and tend to disperse all gas in the region.

Physics & Space Science

The lunar regolith is constantly eroded by ________

Fill in the blank(s) with correct word

Physics & Space Science

An air mass forming over the Gulf of Mexico would be classified as

a. mE. b. mT. c. aP. d. cE.

Physics & Space Science