A significant step in "unifying" the forces of nature was the discovery that two of the so-called fundamental forces were two parts of a single force. The two forces that were so unified were
A)
the electromagnetic force and the weak force.
B)
the electromagnetic force and the strong nuclear force.
C)
the electromagnetic force and the gravity force.
D)
the weak force and the strong nuclear force.
E)
the weak force and the gravity force.
A
You might also like to view...
The ____ regions contain only old stars. The younger ones have ended their lives. And the ____ regions contain both young and old stars and the young, more luminous ones dominate the light.
A.) Red, blue. B.) Red, red. C.) Blue, blue. D.) Blue, red.
A 200-volt battery is connected to a 0.50-microfarad parallel-plate, air-filled capacitor. Now the battery is disconnected, with care taken not to discharge the plates. Some Pyrex glass is then inserted between the plates, completely filling up the space. What is the final potential difference between the plates? (The dielectric constant for Pyrex is ? = 5.6.)
What will be an ideal response?
A hunter fires a bullet from a horizontally—held rifle while simultaneously dropping another bullet from the side of the rifle. The bullet to hit the ground first is
A) the dropped one. B) the fired one. C) both hit at the same time
Why would a decrease in the amount of ozone in the atmosphere increase the likelihood of people getting sunburn?
a. Global temperatures would rise b. More ultraviolet radiation would reach the ground c. People would be exposed to more infrared radiation d. The premise is incorrect. Ozone and sunburn are not related