Two tugboats pull a disabled supertanker. each tug exerts a constant force of 2.20×106 n , one at an angle 12.0 ∘ west of north, and the other at an angle 12.0 ∘ east of north, as they pull the tanker a distance 0.700 km toward the north.

The largest observatory complex in the world is on mauna kea, the tallest mountain on earth. what are some factors astronomers consider when selecting an observatory site? don’t forget practical ones. should astronomers, for example, consider building an observatory on denali (mount mckinley) or mount everest?