A train car with one seater passenger rolls down a steep hill with acceleration a. The person gets scared, and runs frantically back-and-forth inside the train. what is the magnitude of the acceleration of the center of mass of the train person system while the person runs?

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