An old lady uses a walker and is able to cross the street. is this inertia?

In what direction does an applied force move an object

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s.what is the wavelength?

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