Which of the following statements is not part of dalton's atomic theory?

all elements are made of atoms.

different atoms come together to form an element.

all atoms of an element are the same.

different elements are composed of different atoms.

What happens to light waves from a star as the star moves away from earth?

Two conductors, a and b, are each in the shape of a tetrahedron. but of different sizes. they are charged in the following manner: 1. tetrahedron a is charged from an electrostatic generator to charge q. 2. tetrahedron a is briefly touched to tetrahedron b. 3. steps 1 and 2 are repeated until the charge on tetrahedron b reaches a maximum value. if the charge on tetrahedron b was q/4 after the first time it touched tetrahedron a. what is the final charge qbmax on tetrahedron b?

An object in mechanical equilibrium is an object