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.

work: w = fd (given)

work done by chet   =50*1 = 50 j

work done by mika =40*2 = 80 j

work done by sara =30*1.5 = 45 j

work done by bill =60*0.5 = 30 j

students in order from the greatest amount of work done to the least is mika> chet> sara> bill

hence option (b) is correct.

i think it's 35 meters