A bicycle takes 8.0 seconds to accelerate at a constant rate from rest to a speed of 4.0m/s. If the mass of the bicycle is 86 kg, what is the net force acting on the bicycle? (Hint: You need to first calculate the acceleration of the bicycle)

Why do you think mental illness is associated with obesity?

Megan is a three-year-old girl. every day, her nanny tells her a story. when her parents get home from work, megan tries to tell them the story. however, she can only retell a few parts of each story. she speaks in short sentences and often plays imaginary games. which type of developmental change is megan experiencing? a. social b. emotional c. physical d. cognitive

Which of the following are considered general purposes of performing pulmonary function tests (pfts)? 1. the functional status of the lungs 2. the diffusion characteristics of the alveolar-capillary membrane 3. how much and how fast gas can be moved into and out of the lungs 4. the specific diagnosis of pulmonary disease