Ce mase de apa aflate la temperatura t1=15°C respectiv t2=80°C, trebuie amestecate pentru a obtine 50L litri de apa la temperatura t=30°C?

Choose all the answers that apply. our solar system: is in a spiral galaxy no longer includes pluto is made mostly of empty space is in the andromeda galaxy is the only known system that supports life

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?

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.