identifying negative acceleration\nthe graph shows the motion of a car. which segment shows that the car is…

identifying negative acceleration\nthe graph shows the motion of a car. which segment shows that the car is slowing down?\na\nb\nc\nd\nvelocity vs time\ntime (s)\nvelocity (m/s)

identifying negative acceleration\nthe graph shows the motion of a car. which segment shows that the car is slowing down?\na\nb\nc\nd\nvelocity vs time\ntime (s)\nvelocity (m/s)

Answer

Explanation:

Step1: Recall acceleration - velocity relation

Acceleration is the rate of change of velocity. A negative acceleration (slowing - down) occurs when velocity decreases with time.

Step2: Analyze each segment

  • Segment A: Velocity is increasing with time (positive slope), so acceleration is positive.
  • Segment B: Velocity is constant (zero slope), so acceleration is zero.
  • Segment C: Velocity is decreasing with time (negative slope), so acceleration is negative.
  • Segment D: Velocity is constant (zero slope), so acceleration is zero.
  • Segment E: Velocity is decreasing with time (negative slope), so acceleration is negative. But we need to choose one segment and C is the first segment where the car is slowing down.

Answer:

C