OpenStudy (anonymous):

A moving company worker places a 252-kg trunk on a piece of carpeting and slides it across the floor at constant velocity by exerting a horizontal force of 425 N on the trunk. What horizontal force must the mover apply to move the combination of the two trunks at constant velocity?

OpenStudy (anonymous):

187kg

OpenStudy (anonymous):

Has to be a force though. Must be in Newtons (N).

OpenStudy (anonymous):

nvm

OpenStudy (anonymous):

A ship is first seen on a radar screen to be 5 km east of the radar site. Some time later, the ship is at 17 km northwest. What is the displacement of the ship from the first location it is seen at?