Intro to Acceleration Video Lessons

Concept

# Problem: Four cars undergo acceleration as described by the data in the following table.CarInitial Velocity (m/s)Final Velocity (m/s)Time period (s)A2.011.03.0B-5.03.02.0C1.0-5.02.0D0.025.010.0Rank the accelerations from most positive to most negative.

###### FREE Expert Solution

Acceleration is defined as the change in velocity in a given time.

It is given by:

$\overline{)\begin{array}{rcl}{\mathbf{a}}& {\mathbf{=}}& \frac{\mathbf{∆}\mathbf{v}}{\mathbf{t}}\\ & {\mathbf{=}}& \frac{{\mathbf{v}}_{\mathbf{f}}\mathbf{-}{\mathbf{v}}_{\mathbf{0}}}{\mathbf{t}}\end{array}}$, where a is acceleration, vf is the final velocity, v0 is the initial velocity, and t is time.

Let's now calculate acceleration for the four cars.

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###### Problem Details

Four cars undergo acceleration as described by the data in the following table.

 Car Initial Velocity (m/s) Final Velocity (m/s) Time period (s) A 2.0 11.0 3.0 B -5.0 3.0 2.0 C 1.0 -5.0 2.0 D 0.0 25.0 10.0

Rank the accelerations from most positive to most negative.