Once the Mercury-Atlas 9 was in orbit, in the first 20 seconds the spacecraft traveled 156km. What was the acceleration of the spacecraft during the first 20 seconds of orbit? (Hint: You must find the speed first.)

Against his financial advisor's advice, frank has decided to invest his money in some risky stocks because he once made quite a bit of money in the stock market. his decision illustrates a. the representativeness heuristic b. overconfidence c. the availability heuristic d. confirmation bias select the best answer from the choices provided

The smallest particle of an element that retains its identity in a chemical reaction. true or false

How many electrons does each element require in its valence shell to become stable?