As the sun appears to travel along the ecliptic, its position relative to the celestial equator changes. the ecliptic crosses the celestial equator twice. these points are known as the equinoxes (vernal and autumnal). they occur twice a year, around march 21 and september 22, respectively. where on earth would you have to be for the sun to be directly overhead at noon on these dates?

Which feature of a heating curve indicates a change ofn state

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.