Final answer:
The cruise speed of the AH-6J/MH-6J is not provided, but the concept of cruise speed relies on balancing fuel efficiency and air resistance. For cars, efficient cruising speed is around 70-80 km/h due to air drag. The cruise speed of an aircraft is determined by several factors including performance characteristics and aerodynamic design.
Step-by-step explanation:
The AH-6J/MH-6J, also known as the Little Bird, does not have a specified cruise speed mentioned in the provided references or common knowledge systems, as it is a military rotorcraft whose specifications might not be widely published for security reasons. Instead, to help answer a similar type of question, let's consider the concept of cruising speed as it applies to aerospace vehicles in a general sense. According to the provided information, the most fuel-efficient cruising speed for cars is about 70-80 km/h (45-50 mi/h), mainly due to overcoming air drag, which consumes over 50% of a car's power at highway speeds. Applying this to aerospace vehicles, although the specific numbers are different, the principle of balancing fuel efficiency and air resistance remains crucial in determining the cruise speed of any aircraft.
Aircraft manufacturers and operators often determine a craft's cruise speed based on optimal performance characteristics, which include efficiency, engine power, and the effects of drag. In the case of high-speed aircraft like the Lockheed SR-71 Blackbird, which could reach speeds of Mach 2.85 (3529.60 km/h or 2193.20 mi/h), the engineering design must account for the increased air resistance and temperature stresses experienced at those extreme velocities. This means that cruise speed is a carefully balanced figure based on the aircraft's mission profile, structural abilities, and propulsion capabilities.