Which wave causes the medium to vibrate only in a direction parallel to the wave’s motion?
a. a transverse wave
b. a surface wave
c. a longitudinal wave
d. none of the above

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

Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction

The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.