Question
(1)A motorist is traveling at 15 m/s when he sees
a deer in the road 44 m ahead.
If the maximum negative acceleration of
the vehicle is −6 m/s2, what is the maximum
reaction time of the motorist that will allow
him to avoid hitting the deer?
Answer in units of s.
(2)If his reaction time is 1.87223 s, how fast will
he be traveling when he reaches the deer?
Answer in units of m/s.
a deer in the road 44 m ahead.
If the maximum negative acceleration of
the vehicle is −6 m/s2, what is the maximum
reaction time of the motorist that will allow
him to avoid hitting the deer?
Answer in units of s.
(2)If his reaction time is 1.87223 s, how fast will
he be traveling when he reaches the deer?
Answer in units of m/s.
Answers
V^2 = Vo^2 + 2ad