2. suppose you are on an elevator accelerating upwards. you feel as if your weight has:
a. increased
b. decreased
c. stayed the same
d. become zero, i. e.,

Apiano tuner uses a tuner to create a tone of 5.00 x 10² hz. when a key on the piano is struck he hears 5 beats per second. what is a possible frequency of vibration for the piano string? 2500 hz 1300 hz 605 hz 495 hz

In 1980, alfa romeo introduced the first system to smooth a rough idle caused by ignition and camshaft timing changes.

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation