3. After being given clearance for departure, a Boeing 747 accelerates at a rate of 125 ft/sec. The 747 's wheels leave the ground after a
period of 40 seconds. What is the 747's velocity (V2) at takeoff?
V2 = 5,000 ft/sec

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve

What causes the formation of ocean currents?

Nthe 19th century, women were expected to conform to a certain role that entailed a. gaining domestic skills and establishing a career b. going to college and getting married c. getting married and having children d. graduating from college and being a housewife