Shelli is a student describing the resonance of a metal beam. she demonstrates that the sound dims when the beam is vibrated at a certain frequency.

what does she most likely say in response to the dimming sound?

Which of the following is an example of units for speed

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?