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Five race cars speed toward the finish line at the Jasper County Speedway. The table lists each car's speed in meters per second. If each car has the same mass, which car will require the longest time to come to a full stop?

\begin{tabular}{|c|c|c|c|c|}
\hline
Car A & Car B & Car C & Car D & Car E \\
\hline
[tex]$890 \, \text{m/s}$[/tex] & [tex]$850 \, \text{m/s}$[/tex] & [tex]$790 \, \text{m/s}$[/tex] & [tex]$895 \, \text{m/s}$[/tex] & [tex]$870 \, \text{m/s}$[/tex] \\
\hline
\end{tabular}

A. Car A

B. Car B

C. Car C

D. Car D

E. Car E

Sagot :

GinnyAnswer
To determine which car will require the longest time to come to a full stop, we need to identify the car with the highest speed. This is because, given that all cars have the same mass, the car with the highest velocity will require the longest time to decelerate to zero, assuming a constant rate of deceleration.

Let's analyze the provided speeds for each car:

- Car A: [tex]\( 890 \, \text{m/s} \)[/tex]
- Car B: [tex]\( 850 \, \text{m/s} \)[/tex]
- Car C: [tex]\( 790 \, \text{m/s} \)[/tex]
- Car D: [tex]\( 895 \, \text{m/s} \)[/tex]
- Car E: [tex]\( 870 \, \text{m/s} \)[/tex]

Comparing these speeds, we find that:

- Car D has the highest speed at [tex]\( 895 \, \text{m/s} \)[/tex].

Therefore, since Car D has the highest speed, it will require the longest time to come to a full stop.

Thus, the correct answer is:
D. Car D
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