Give several reasons mercury would be a particularly unpleasant place to build an astronomical observatory.

If the speed of a particle triples ,by what factor does its kinetic energy increase?

Choose each of the settings that follow and list them below do it ill mark brainliest first object= position= speed= acceleration= second object= position= speed= acceleration=

Aspacecraft that renters the earth’s atmosphere drastically slows down. the amount of kinetic energy the spacecraft has as it reenters the earths atmosphere