60 kg ∙ 2 m = 40 kg ∙ x m
60 ∙ 2 = 40 ∙ x
120 = 40 x
x = 120 / 40 = 3 m
Tom weighs 60 kg and is 2m from the center of a seesaw. Jerry, who weighs 40 kg, sits on the seesaw across from Tom. In order
to balance the seesaw, about where should Jerry sit?
3 answers
50
What is the atomic number of tin?
2 answers