. Consider the points P such that the distance from P to As21, 5, 3d is twice the distance from P to Bs6, 2, 22d. Show that the set of all such points is a sphere, and find its center and radius.

Which term best describes the phrase “something that happens”?

Frost wedging occurs when water seeps into a crack in a rock, freezes, and causes the crack in the rock to widen. t or f

Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.