Posts by XANDRA

Total # Posts: 3

math
= 9-(3:1/3)+1 = 9-(9+1) = 9-10 = -1

physics
What is the efficiency of a block and tackle that lifts a 500N resistance a height of 1m when an effort of 80N moves through a distance of 10m? What is the input work? output work?

Kindergarten trip sheet
SOME WITH SEE,BY,MY