How high will a ball go if it is thrown UP with an an initial velocity of 7 m/s? A. 3.5 m
B. 2.5 m
C. 4.5 m
D. 1.5 m

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.

Calculate the volume of this regular solid. what is the volume of the cone? round your answer to the nearest hundredth

Which system of units is used by only a small number of countries in the world, including the u.s.