what is the impulse of a dodgeball hitting a person in the face if it's initial velocity was 10m/s and it's velocity after hitting him in the face is 5m/s? the ball weighs 3kg.

Which of the following describes something an engineer would probably do first when developing new technology meant to reduce ocean pollution? o a. evaluate the benefits and challenges of using certain chemicals to purify water. o b. research new scientific findings in regard to ocean cleanup. o c. identify the need to reduce ocean pollution. o d. research what has been done in the past to clean up oceanic oil residue.

Asimply means that over time there was some sort of change.

Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point