What would we need to know to calculate work and power

To calculate Work we need Force and Distance or Total Change in Energy and Heat.

To calculate Power we need Current and Voltage or Voltage and Resistance.

that would be because of both gravity and friction. so     c

the journeys of marquette, joliet and la salle a) new france expand.

all three of these explorers explored the midwest and the area around the great lakes, which they subsequently claimed for france.

this was a big portion of territory and expanded new france which before then only consisted of quebec province in northeastern canada