I need to know the waters original temperature and please go all work on how you got the answer

Write the equation for momentum, first using symbols for the variables, then using words for the variables.

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.

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system