The mass of a ball that has 375j of potential energy at 15 m high

Aregular polygon has angkes of size 150° each.how many side has the polygon

Astudent pushes a 60-n block across the floor for a distance of 10 m. how much work was done to move the block

Because atoms of elements in the same group of thbecause atoms of elements in the same group of the periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t fe periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t f