6. A track athlete runs 24.0 m North and then 16.0 m South in 12 s. Find her a.) Average speed
b.)Average velocity

According to social exchange theory, altruistic behaviors benefit the individual who performs them.

Which example has gravitational potential energy? a.a horse slowing down from a run b.an apple about to fall from a tree branch c.a bicycle being pedaled down a horizontal path d.beaker sitting on the floor

Idon’t quite understand this problem