A pipe closed at one end is 100cm long. If the air in the pipe is set into vibration and a fundamental note is produced, calculate the frequency of the note: (velocity on sound=340m/s)

Suppose a wire with a current is pushed upward by a magnetic field. how would the wire move if the direction of the current reversed? explain your answer.

Drag the tiles to the correct boxes to complete the pairs. match the jobs with the education requirements. childcare director clinical psychologist concierge cosmetologist vocational school and state licensure arrowright on-the-job training arrowright a ph. d. with licensure or certification, depending on the state in which you live arrowright a bachelor’s degree in early childhood development arrowright

What caused magnetic fields? what happens if you keep breaking a magnet in two until you reach a single atom?