Alarm clocks should only be used in emergencies or if there is no other option because they a. ensure the quality of sleep b. annoy the neighbors c. wake people up before they are fully rested d. one adjust to new sleep schedules

May someone explain how to do this question?

The 10-kg double wheel with radius of gyration of 125mm about o is connected to the spring of stiffness k = 600 n/m by a cord which is wrapped securely around the inner hub. if the wheel is released from rest on the incline with the spring stretched 225 mm, calculate the maximum velocity v of its center o during the ensuing motion. the wheel rolls without slipping

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx hurrim timed