A -kg car starts from rest at the top of a -m-long driveway that is inclined at with the horizontal. If an average friction force of N impedes the motion, find the speed of the car at the bottom of the driveway.

Which statement correctly describes the relationship between frequency and wavelength?

Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers

Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.