a rectangular block weighs 240N. The area of the block in contact with the floor is 20cm2 calculate the pressure on the floor

If element x has 99 protons how many electrons does it have

Aball horizontally thrown from a cliff at 8m/s

Energy can be transformed from one form to another. the diagram shows one such process. which energy transformation is represented in the diagram? nuclear to thermal and radiant nuclear to electrical and chemical chemical to nuclear and radiant chemical to electrical and nuclear