Why you can't shatter a real diamond with a hammer

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

While carrying a heavy box up the stairs,you set the box on a step and rest. then you pick up the box and carry it to the top of the stairs. describe these actions in terms of balanced and unbalanced forces acting on the box.

Four 5-gram blocks of metal are sitting out in the sun and absorb the same amount of heat energy. use the following specific heat capacity data to determine which block will increase its temperature the most.