<p><span style=\"font-size: 11pt; line-height: 115%; font-family: &quot;Calibri&

Question

<p><span>A Ferrari accelerates from 0 to 100.0 km/h in 4 .80 s. What force (in Newtons) does a passenger of mass 68.0 kg experience during acceleration?<span>&#160; </span></span></p>

Explanation / Answer

1) a = ?v/t (that is, acceleration is the change in velocity divided by time)

2) F = m*a (force is acceleration times mass)

So, for your case:

1) convert 100 km/h to m/s (standard SI units) = 27.77 m/s

2) a = (0 m/s - 27.77 m/s) / (4.80 s) = 5.79 m/s^2

3) F = (89 kg) * (5.79 m/s^2) = 515.05 N

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