7. if a boulder is raised above the ground 14.
so that its potential energy with respect
to the ground is 100 j , and then it is
dropped , what will its kinetic energy be
just before it hits the ground

Gunpowder residue is most likely to show up where on a shooters hands

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

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=?