A particle travels horizontally between two parallel walls separated by 18.4 m. It moves toward the opposing wall at a constant rate of 6.9 m/s. Also, it has an acceleration in the direction parallel to the walls of 3 m/s².
What will its speed be when it hits the opposing wall? answer in m/s.

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

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

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?