Homework Help: Physics

Posted by John on Sunday, October 2, 2011 at 10:19pm.

A motorist traveling at 15 m/s encounters a
deer in the road 39 m ahead.
If the maximum acceleration the vehicle’s
brakes are capable of is −6 m/s2, what is the
maximum reaction time of the motorist that
will allow her or him to avoid hitting the deer?
Answer in units of s

If his or her reaction time is 1.59 s, how fast
will (s) he be traveling when (s)he reaches the
deer?
Answer in units of m/s

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