What is the e. m. f of an individual cell

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.)

What sort of waves exhibit the doppler effect?

Examples of states of consciousness include a. daydreaming b. dreaming during sleep c. hypnosis d. all of the above