A bird flutters around in a tree in a path described by the dark line: Which vector represents the average velocity of the bird? Question 2 options:

Which force is most responsible for binding together an atom's protons and neutrons? electrostatic gravitational nuclear magnetic

Aregular polygon has angkes of size 150° each.how many side has the polygon

Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.