You pull a short refrigerator with a constant force across a greased (frictionless) floor, either with horizontal (case 1) or with tilted upward at an angle 38° (case 2). (a) What is the ratio of the refrigerator's speed in case 2 to its speed in case 1 if you pull for a certain time t? (b) What is this ratio if you pull for a certain distance d?
physics - E, Sunday, March 6, 2011 at 1:22pm
b. radical (cos38)
glad to help one of my classmates in AUB ;)