Which of the following is the best way to express the dimensions of a laboratory bench (large desk)? * 1.04 m * 400 cm

1.04 m * 4.00 m

104 cm * 4.00 m

1040 mm * 4000 mm

A980-kg sports car collides into the rear end of a 2300-kg suv stopped at a red light. the bumpers lock, the brakes are locked, and the two cars skid forward 2.6m before stopping.the police officer, estimating the coefficient of kinetic friction between tires and road to be 0.80, calculates the speed of the sports car at impact. what was that speed?