an escalator inclined at an angle of 42.6 degrees moves at a rate of 0.600 m s a person steps on escalator and reaches the top of 42.0 seconds through what vertical height has a person been lifted use the distance equals rate times time to find the length of the elevator ​

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.