A sports car goes from a stop to 40m/s in 4 seconds. What is the acceleration of that car

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.

Describe cytokinesis in plants and animals. in animals: in plants.

Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point