The figure is a graph of an object moving in a straight line. Solve graphically to determine which section of the path has the highest speed.
A. DE
B. EF
C. CD
D. AB
A. DE
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How is antimatter created?
What will be an ideal response?
Why is there a limit to how much compression can be counterbalanced by electron degeneracy pressure?
A) At extreme compression, the electron speeds approach the speed of light and therefore cannot increase further. B) At extreme compression, electrons are forced to stop moving, and once stopped there is nothing more they can do. C) At extreme compression, atoms are fully ionized, so electrons go free and can no longer exert pressure. D) The exclusion principle excludes electrons from exerting more pressure than the uncertainty principle would otherwise allow. E) Electrons are very small and are simply incapable of exerting much pressure.
The howler monkey is the loudest land animal and can be heard up to a distance of 9.8 km. Assume the acoustic output of a howler to be uniform in all directions
The distance at which the intensity level of a howler's call is 25 dB, in SI units, is closest to: A) 550 B) 660 C) 830 D) 940 E) 1,100
The seasons are caused by the precession of the Earth's axis
Indicate whether the statement is true or false