When does the edge of the water advance farther inland- when the ocean's floor is a gradual slope or steep slope?

A250-n box is at rest on a frictionless horizotal floor. then a person shoves the box with a non-zero force of magnitude p. which statement best describes the relationship betweeen p and the motion of the box after it was shoved? -the box will not move when p< 250n but otherwise will accelerate at a constant rate that is directly proportional to p - the box will begin moving at a speed that is directly proportional to p, then will gradually slow to a halt -the box will move with constant velocity at a speed that is directly proportional to p -box will accelerate across the floor at a constant rate that is directly proportional to p

Use 4 to 5 complete sentences, explain the concepts of beats and how beats are produces.

Which of the following are molecules? a. al b. ag c. mgcl2 d. nacl e. c3h8