Asecurity guard walks at a steady pace traveling 170 m in one trip around the perimeter of a building.

it takes him 230 s to make this trip.

what is his speed?

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.

If the wheels lock when braking suddenly the vehicle: a: loses traction b: lose steering wheel ability c: gain speed slightly d: gain steering ability

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?