Askier is skiing down a slope on a mountain. is mechanical energy conserved?

10 newton object is placed 3 meters from the fulcrum. at what distance on the other side would you need to place a 15 newton object to balance the lever? show your work!

What are the starting materials for nuclear fission? two small nuclei two large nuclei a neutron and a large nucleus a neutron and a small nucleus

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2