A mailman performed 296 J of work lifting a box 1.6 m. How much force did the mailman use?

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system

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.

The ability to make things happen is also called a. heat b. force c. matter d. energy