Aharmonic wave is traveling along a rope. the oscillator that generates the wave completes 46.0 vibrations in 26.0 s. a given crest of the wave travels 415 cm along the rope in a time period of 11.7 s. what is the wavelength? answer in units of m.

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)