I am 14 yearsoldi like rp i aslo like outdoors and stuff tellme if you want to date also I am a boy

Which two objects have the greatest gravitational force acting between them

What is a good example of instantaneous speed

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.