Which are examples of resonance? check all that apply.
the volume on a stereo being turned up
a note being played on a saxophone
an opera singer breaking a glass with her voice
a person pushing a swing at the rate it naturally oscillates back and forth
an echo

Two particles of masses m and 2m are placed on a smooth horizontal table. a string, which joins these two masses, hangs over the edge supporting a pulley, which suspends a particle of mass 3m.the pulley has negligible mass. the two parts of the string on the table are parallel and perpendicular to the edge of the table. the hanging parts of the string are vertical. find the acceleration of the particle of mass 3m.

The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation

What is created when solids,liquids,an gases mix with one another