Heat and change of state (more than one): a) Water can start to boil at 120 °C.
b) Melting is the change of state from liquid to solid.
c) The specific heat of a substance depends on its temperature.
d) The melting point of a substance is the same as its boiling point.

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?