Homework Help: physics

Posted by dave on Thursday, September 27, 2012 at 9:05am.

Ann is driving down a street at 58 km/h.
Suddenly a child runs into the street.
If it takes Ann 0.778 s to react and apply
the brakes, how far will she have moved before
she begins to slow down?

physics - Henry, Friday, September 28, 2012 at 3:14pm
V = 58km/h = 58,000m/3600s = 16.1 m/s.

d = 16.1m/s * 0.778s = 12.53 m.

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