A change in the termal energy of a substance can lead to a change of state. For example, when heat is added to a solid, its particles move . faster • the same speed • slower • closer together Please Help.

Explain vector addition, triangle method and parallelogram method

Two vectors are shown. which statement best compares the vectors? vector x has greater magnitude than vector y. vector y has greater magnitude than vector x. the vectors have the same displacement. the vectors have the same direction.

Which car has the most kinetic energy? a. a car of mass 1000 kg with a speed of 3 m/s b. a car of mass 2000 kg with speed 7 m/s c. a car of mass 1000 kg with speed 7 m/s d. a car of mass 2000 kg with speed 3 m/s