Aflutist assembles her flute in a room where the speed of sound is 342 m/s. when she plays the note a, it is in perfect tune with a 440 hz tuning fork. after a few minutes, the air inside her flute has warmed to where the speed of sound is 346 m/s.

-got a: how many beats per second will she hear if she now plays the note a as the tuning fork is sounded? 5.15 beats/s

-now gotta find b:
how far does she need to extend the "tuning joint" of her flute to be in tune with the tuning fork? (answer is d=)

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of

Which are causes of mechanical weathering? (check all that apply) a. acid rain b. plant growth c. animal actions d. carbon dioxide e. pressure release i chose b & e and got the question wrong.

Employer informs its employees that it will hold a substantial cash prize drawing for each work group at the end of each month in which no employee in the work group sustains a lost-time injury. tyra reports an injury that she sustained while operating a mechanical power press. tyra did not violate any employer safety rules when she sustained her injury. tyra’s injury requires her to miss work for two days. her employer cancels the cash prize drawing for that month for tyra’s work group because of tyra’s lost-time injury. did the employer misuse an incentive program to retaliate against tyra?