Question: A claustrophobic person gets on a train. The train enters a tunnel just as it is leaving the station.
Where is the best place for him to sit?
Answer: In the back. The train will be accelerating so it will be going faster when the back of the train enters the tunnel so a person in the back will spend less time in the tunnel.
Question: At low tide 14 rungs of a ship are above the water, the rungs are 15 centimeters apart. each 15 mins the water rises 15 centimeters. after 2 hours and 30 mins how many rungs are above the water?