What is the maximum reaction time. a 1.52 wide 1.50 high, Ask an Expert

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Q. A 1.52 wide, 1.50 high, 1500 car hits a very slick patch of ice while going 21.0 .If friction is neglected, how long will it take until the car's speed drops to 14.0 ?

Q. A ranger in a national park is driving at 49 km/h when a deer jumps onto the road 66 m ahead of the vehicle. After a reaction time of t s, the ranger applies the brakes to produce an acceleration of -2.00 m/s2. What is the maximum reaction time allowed if the ranger is to avoid hitting the deer?

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