Which property do the elements in each column of the representative elements series of the periodic table have in common?(1 point) number of neutrons
number of orbitals
number of valence electrons
number of protons

Assuming weightless pulleys and 100% efficiency, what is the minimum input force required to lift a 120 n weight using a single fixed pulley?

The act of moving from one place to another. a. locomotor b. aerobic c. stationary d. static

Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.