Sarah was attempting to pull the cart seen here through point a in the diagram. she could not do it. her sister suggested setting up a pulley system to sarah with the task. the girls added the pulleys and ropes you see here. how did this pulley system sarah move the cart?

Which lists the organs in the correct order as food passes from the mouth to anus?

Is the time in tennessee the same as florida

At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.