A 90kg gymnast comes to a stop after tumbling. Her feet do 4000J of work to stop her. Which of the following was the girl’s velocity when she began to stop?

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