In which of the following is the wavelength of the lowest vibration mode the same as the length of the string or tube? a) a stringb) an open tubec) a tube closed at one endd) all of the abovee) none of the above

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell

Language is not the only way that humans communicate. describe how we use sound, touch, chemicals, and sight to communicate. need answer asap