Gold has a density of 19.3 g/cm3. what is the mass of a 5 cm3 block of gold?
a. 3.9 grams
b. 19.3 grams
c. 38.6 grams
d. 96.5 grams

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?

Which branches of natural science include the study of an organism that lived 10 million years ago

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell