A ranger in a national park is driving at 46 km/h when a deer jumps onto the road 64 m ahead of the vehicle.

A ranger in a national park is driving at46 km/h when a deer jumps onto the road64 m ahead of the vehicle. After a reactiontime of t s, the ranger applies the brakes toproduce a deceleration of 3.4 m/s2.What is the maximum reaction time al-lowed if the ranger is to avoid hitting thedeer?Answer in units of s