Compared to a hydrogen atom where the proton and electron both have spin in the same direction, an atom where they spin in opposite directions will have ________ energy
Fill in the blank(s) with correct word
lower or less
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A 1.5-kg mass has an acceleration of 
. Only two forces act on the mass. If one of the forces is 
, what is the magnitude of the other force?
A. 4.1 N B. 6.1 N C. 5.1 N D. 7.1 N E. 2.4 N
In the figure shown, what is a likely reason the two examples of colored text differ in color?
A. The links point to different kinds of content, such as a video and a subsidiary webpage. B. The color of one link has changed to indicate a followed link. C. The branding of the organization's webpage includes both of these colors. D. One color is intended to show greater emphasis.
In our solar system
A: the planets in outer orbits move at a slower speed than those in inner orbits. B: the planets all move around the Sun at the same speed. C: the planets in outer orbits move at a faster speed than those in inner orbits.
In a compound microscope the final image is virtual
Indicate whether the statement is true or false