Car slows down from 20 m/s to rest in a distance of 85 m. what was its acceleration, assumed constant?

What is the magnitude of the acceleration vector which causes a particle to move from velocity −5i−2j m/s to −6i+ 7j m/s in 8 seconds. answer in m/s.

Which of the following bonds would be most polar? a. c-i b. c-br c. c-cl d. c-f e. c-o

Aball is thrown horizontally from a cliff at 8m/s .in what direction is the ball moving 2s later?