What is the streak of a mineral used for?

A.

weighing the mineral

B.

measuring the hardness of the mineral

C.

identifying the mineral

D.

finding the volume of the mineral

Which statement best describes why a machine is useful?

Home Run 14. The hitter just hit the ball with the bat. He wants the ball to travel as straight and far as possible. a.

How does regular participation in sports affect your body?

If you were trying to kill a fish with a spear, would you aim where you see the fish

If two collinear vectors A and B are added, the resultant has a magnitude equal to 4.0. If B is subtracted from A, the resultant has a magnitude equal to 8.0. What is the magnitude of A?

How many electrons does a neutral atom of oxygen-18 have? 8 O 16.00 A. 8 B. 10 C. 18 D. 16

What is average velocity?

A bicycle moves from rest to 5 m/s in 5 sec. what is the acceleration of the bicycle

A proton moving in a region of a space does not experience any acceleration in the direction of motion.

Which best describes the relationship between internal energy and thermal energy? Thermal energy is a measure of the internal energy of a substance. Internal energy is a measure of the thermal energy of a substance.