Question

question 12. what was the average speed of the toy car between 2 and 5 seconds? a. 1.6 m/s b. 2.5 m/s c. 5.5 m/s d. 9.5 m/s

Explanation:

Step1: Identify distance and time values

The distance at \(t = 2\) s is \(3.0\) m and at \(t = 5\) s is \(9.0\) m. The time - interval \(\Delta t=5 - 2=3\) s and the distance - interval \(\Delta d = 9.0 - 3.0=6.0\) m.

Step2: Use the average - speed formula

The formula for average speed \(v_{avg}=\frac{\Delta d}{\Delta t}\). Substitute \(\Delta d = 6.0\) m and \(\Delta t = 3\) s into the formula: \(v_{avg}=\frac{9.0 - 3.0}{5 - 2}=\frac{6.0}{3}=2.0\) m/s.

Answer:

B. \(2.0\) m/s