1. Three Archers Which of the three archers hits the same target the strongest?

2. Moving Archer Will the archer need to change his aim if the train starts moving?

3. Moving or Standing? Can we say from these photographs whether the trains are standing or moving? Can a person inside the train say that without looking outside or listening to the sound?

4. Dropping a coin. If a car passenger drops a coin, how does it move? Do a car passenger and a bystander see the same as they watch the coin falling from a car window?

5. Two car problem At noon a car starts from Indianapolis towards Baltimore at the speed 100 km/h. At 1 pm a second car starts from Indianapolis to Baltimore at 150 km/hour. When will the second car pass the first one? How far from Indianapolis will this happen?