The erect position of the body with the face directed forward the arms at the side and the palms of the hands faving forward used as a reference in describing the relation of body parts one another is the description for

How will the system respond to a temperature increase?

What is the measurement of how fast an object moves relative to a reference point?

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.