The intensity of a sound describes
a. its speed.
b. its loudness at a particular distance.
c. the distance and medium through which it travels.
d. the medium through which it travels.

When an object moves in uniform circular motion, the direction of its acceleration is a) in the same direction as its velocity vector. b) in the opposite direction of its velocity vector c) is directed toward the center of its circular path. d) is directed away from the center of its circular path. e) depends on the speed of the object.

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

Why do astronauts in the space shuttle weigh less?