CRITICAL THINKING. The top 3 speedsters from the bleachers trial dropped a 6.2 kg rock from the top of the bleachers. Each rock traveled 42 min 6 s What is the kinetic energy of the rock? I​

Which statement best describes resistance? resistance is a. how well a current will flow in a material and is measured in volts. b. how well a material conducts an electrical charge and is measured in ohms. c. the ability of a material to attract a positive charge to create a current. d. the ability of a material to repel neutral charges and is measured in ohms.

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?

Which composition of water moves to begin a deepwater current?