Final answer:
When a power-driven vessel meets a sailing vessel, the power-driven vessel generally must take action to avoid collision, typically by altering course or slowing down to pass safely.
Step-by-step explanation:
The correct answer is that when the operator of a power-driven vessel (A) meets a sailing vessel (B), the power-driven vessel is usually the give-way vessel, meaning it is responsible for taking action to avoid a collision. This is in accordance with the International Regulations for Preventing Collisions at Sea (COLREGs).
The specific rules can vary depending on the situation, such as the angle of approach and whether the vessels are in a narrow channel, but generally, power-driven vessels must give way to sailing vessels, which are under sail alone and not using their engines.
When encountering a sailing vessel, the operator should slow down or alter course to pass safely, keeping a good distance to avoid creating a wake that could cause problems for the sailing vessel.
It is important for all vessel operators to maintain a proper lookout, operate at a safe speed, and use maritime VHF radio if necessary to communicate intentions. Understanding navigation rules and exhibiting good seamanship are critical for the safety of all vessels at sea.
The correct answer is option a. Yes, both persons will describe the same motion because motion is independent of the frame of reference.
When two boats are traveling at a constant speed in opposite directions and they pass each other, the description of the other boat's motion by a person in Boat A will be the same as the description by a person in Boat B of Boat A's motion. This is because motion is independent of the frame of reference.
For example, if Boat A describes Boat B's motion as moving to the left, then Boat B will describe Boat A's motion as moving to the right, even though they are moving in opposite directions.