Which of these objects has kinetic energy? A ball moving through the air. incorrect answer
B ball sitting on a table. incorrect answer
C ball buried underground. incorrect answer
D ball sitting on the edge of a cliff.

Astudent looks at ocean waves coming into the beach. an ocean wave with more energy will a) have a greater height. b) have a greater period. c) travel toward the beach faster. d) strike the beach with greater frequency.

Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle

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.