The elasticity of the lens decreases with age. this leads to which of the following? the elasticity of the lens decreases with age. this leads to which of the following?

a. less light getting to the retina and diminished visual acuity
b. lowered accommodation of the pupillary reflex and blurry vision
c. a clouding of the lenses known as a cataract less accommodation of the lenses and difficulty focusing on nearby objects

You are driving to the grocery store at 20 m/s. you are 110m from an intersection when the traffic light turns red. assume that your reaction time is 0.50s and that your car brakes with constant acceleration. how far are you from the intersection when you begin to apply the brakes? what acceleration will bring you to rest right at the intersection? how long does it take you to stop after the light changes? the known values: vi=20m/s xi=110m t=.50s vf=0m/s xf=0m a=?