When you weigh yourself on good old terra firma (solid ground), your weight is 540 n. in an elevator your apparent weight is 485 n. what is the magnitude of the elevator’s acceleration?

What type of nuclear decay causes the atomic number of an element to increase by 1?

Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.

Aphysical change is a change in the size, shape,, or stafe of matter true or false