An automobile vehicle has a mass of 1500 kg what must be the force between the vehicle and the road.

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

Which statement names the physical property of wood a. wood is softer than coal b. wood does not rust c. wood can rot d. wood can burn

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .