S Steve New member Jun 14, 2009 #1 W = mgh = 15*9.8*6 = 882 J P = W/t = 882/2 = 441 Watts Assuming no friction
V VRfoe Guest Jun 14, 2009 #2 a child wants to pull a 15kg block up with a pulley. They pull it up in a distance of 6 meters in 2 seconds. What is the work and power needed to do this?
a child wants to pull a 15kg block up with a pulley. They pull it up in a distance of 6 meters in 2 seconds. What is the work and power needed to do this?
