Which is the strongest of the fundamental forces in the universe?
A) strong force
B) weak force
C) electromagnetic force
D) gravitational force
E) All four forces have the same strength.
A) strong force
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Constant Acceleration Kinematics: A car is traveling with a constant speed when the driver suddenly applies the brakes, causing the car to slow down with a constant acceleration of magnitude 3.50 m/s2. If the car comes to a stop in a distance of 30.0 m, what was the car's original speed?
A. 10.2 m/s B. 14.5 m/s C. 105 m/s D. 210 m/s E. 315 m/s
The largest difference between Mars' northern and southern hemispheres is that:
A) the southern appears older, with more impact craters. B) the northern has all the outflows and must have been much hotter. C) the northern is higher overall, despite some high volcanoes in the south. D) the southern has a polar cap, but none ever forms in the north. E) the southern is much darker, with large mare-like basaltic lava flows.
Space telescopes looking for transiting planets look for small drops in brightness; these drops are:
A) less than 10%. B) less than 1%. C) less than 0.01%. D) less than 0.0001%. E) any size.
Which eukaryotes break down food externally and then absorb nutrients?
a. bacteria b. plants c. fungi d. animals e. protists