Calculate the kinetic energy of a 150 g baseball moving at a speed of 39. m/s (87 mph).

To create electromagnetic induction, which of the following has to move? a. a wire b. a magnet c. a transformer d. either a or b

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?