Displacement is the distance and direction of an object's change in position. A bus travels North for 10 miles then turns around and
travels 3.75 miles South. What is the displacement of the bus? As
always, show work.

The astronauts on the space shuttle flights experienced an acceleration of 29 m/s2 (about 3 "g's") during lift-off. what upward force must the astronaut's seat apply to the astronaut in order to cause this acceleration? assume the astronaut's mass is 70 kg, and compute this force when the acceleration is near the earth's surface so their weight equals latex: mg m g .