Answered

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Part A : Image Part B: What was the direction of the average force exerted on your car during braking? Part C: How far you travel while braking?

Part A Image Part B What Was The Direction Of The Average Force Exerted On Your Car During Braking Part C How Far You Travel While Braking class=

Sagot :

Procedure

Part A

a ) v = vo + a*t ( the acceleration will be negative )

9.50 m/s = 16 m/s + a*1.5

[tex]\begin{gathered} a=\frac{9.50-16}{1.5} \\ a=-4.33m/s^2 \end{gathered}[/tex]

Now, the force

[tex]\begin{gathered} F=ma \\ F=-980\operatorname{kg}\cdot4.33m/s^2 \\ F=-4243.4N \end{gathered}[/tex]

Part B

Opposite to the direction of motion

Part C

[tex]\begin{gathered} d=v_ot-\frac{at^2}{2} \\ d=16\cdot1.5-\frac{4.33\cdot1.5^2}{2} \\ d=19.12\text{ m} \end{gathered}[/tex]

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