If you went to a 480 m high waterfall and dropped a ball and allowed it to fall all the way down how long would it take to fall to the bottom ignoring air resistance?

Aself-report inventory  is a type of  psychological test  used in personality assessment. this type of test is often presented in a paper-and-pencil format or may even be administered on a computer. a typical self-report inventory presents a number of questions or statements that may or may not describe certain qualities or characteristics of the test subject.

The sounds will have a high pitch because the metal is vibrating quickly

Diamonds or jewelry in the broader sense are other  veblen goods and so are high-end watches.