alief. schoology. com/assignment 402 What is the total mechanical energy of the coaster at point B with a 100 kg cart? a 72,000) Ob 98,000) C 67,000) Od 49,000) Submit

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

Idon’t quite understand this problem

Which situation will have the highest resistance? a.long wire and high temperatureb.short wire and high temperaturec.long wire and cold temperaturedshort wire and low temperature