A car starts at 25 m/s and then slows down to 13 m/s in 5 seconds. What is the acceleration of the car? What does the sign of the acceleration indicate?

Which surface feature of the moon is characterized by mountainous areas? terrae craters maria regolith

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.

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