A car traveling at 22 m/s comes to an abrupt halt in 0.1 second when it hits a tree. What is the deceleration of the car? A)110 m/s² B)220 m/s² C)800 m/s² D)880 m/s² E)need more information

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Quizplus · Accepted Answer

Deceleration is calculated using the formula $a = \frac{\Delta v}{\Delta t}$, where $\Delta v = -22 \, \text{m/s}$ (final velocity 0 m/s - initial velocity 22 m/s) and $\Delta t = 0.1 \, \text{s}$. Thus, $a = \frac{-22}{0.1} = -220 \, \text{m/s}^2$. The negative sign indicates deceleration.

A Car Traveling at 22 M/s Comes to an Abrupt