Things moving out of phase are moving at different speeds

TURE OR FALSE??

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.

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?