The longest cave system in the world is the Mammoth Cave system in Central Kentucky.
It has a mapped length of 348 miles.
Find its length in kilometers. 1 mi = 1.609
km = 5280 ft.
Answer in units of km.

3. a lunar exploration vehicle was created by a research team. it weighs 3,000 kg on the earth. it needs an acceleration of 10 m/s2 on the moon. in order to have the same acceleration, what will be the net force acting on the vehicle on the earth?