What unit is momentum measured in? =_= yeah

In a system, when potential energy decreases, then entropy also decreases. true false

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

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