Final answer:
When two vehicles must turn such that their passenger sides are beside each other, in countries with right-hand traffic, they should both turn right. If it's a left-hand traffic country, then both should turn left. This concept is related to traffic rules and the physics of relative motion and safety distances.
Step-by-step explanation:
The question you're asking refers to the proper maneuvering of vehicles at intersections to ensure that the passenger sides of the vehicles are beside each other. If both vehicles intend to pass in front of each other in such a way, both must turn to the right. This is because when both vehicles turn right, they will move in a direction that places their passenger sides adjacent to one another, assuming they are driving in countries where the vehicles are right-hand drive and they drive on the right side of the road. If the vehicles are in a country with left-hand traffic and they are left-hand drive, then they would need to turn left to achieve the same outcome. The answer depends on the country's traffic rules.
In physics questions, details like the direction and speed of different vehicles at an intersection also play an essential role in solving problems related to relative motion and safety distances. For example, calculating the time and distance for vehicles approaching an intersection, or determining the safe distance required for a pedestrian to cross a road based on the speed and distance of oncoming traffic, are common problems in physics concerning motion and safety.