Which of these is a mixture of elements?
a. silver and gold
b. carbon dioxide
c. salt and pepper
d. all of these are mixtures of elements.

Rank the torques on the five doors shown in the figure above from least to greatest. note that the magnitude of all the forces is the same

12 drag each label to the correct category. decide whether each statement describes mass or weight. measured in newtons measured in kilograms does not change when gravity changes === a gravitational force changes when gravity changes the amount of matter in something mass weight

How are calculation for velocity and speed different