20. threshold braking in the vehicle's braking system occurs when a. the brake pedal is pushed, heel on floorboard, with full foot pressure. b. the brakes are exerting full braking power, without traction loss. c. the driver begins pushing down the brake pedal, with moderate slowdown. d. the brakes just begin to take hold with a gradual slowdown.
hi there if you are asking for conformation that wavelingth is the correct answer is wrong it is the answer is frequency. : )
i hope this you out, have a wonderful day
it was given as a lesson and guide for prayer.