What is the Kuiper belt?
A) a region of the solar system beginning just beyond the orbit of Neptune that contains many icy comets
B) a region of the solar system that extends almost a fourth of the way to the nearest stars and contains a trillion comets with orbits going in all directions around the Sun
C) a technical name for the asteroid belt
D) the most prominent ring of Saturn that is visible in photographs
A) a region of the solar system beginning just beyond the orbit of Neptune that contains many icy comets
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When Daylight Saving Time is initiated in the spring, people in the United States who continue to go to work at the same time leave
a. when it is lighter (more daylight). b. with the same light. c. when it is darker.
A car starts from rest and after 6.0 seconds it has a kinetic energy of 60,000 J. How much horsepower is needed for the car to acquire this kinetic energy?
A) 6.0 hp B) 60 hp C) 0 hp D) 1.3 hp E) 13 hp
It is observed that a negatively charged grain of soot released between the parallel plates of a capacitor moves leftward. The direction of the electric field between the capacitor plates is ________.
What will be an ideal response?
In a Young's experiment, the paths from the slits to a point on the screen differ in length causing constructive interference at the point. Which of the following path differences would cause this constructive interference?
a. 5?/2 b. 3?/4 c. 4? d. None of the above.