An 18-karat gold necklace is 75% gold by mass, 16% silver, and 9.0% copper. What is the mass, in grams, of the necklace if it contains 0.28oz of silver?

An electric dipole consists of charges 2e and 2e separated by 0.88 nm It is in an electric field of strength 4.

The human body uses water in many of its natural processes. water is made of two hydrogen atoms bonded to an oxygen atom. what are the three basic parts that make up all atoms?

Which of the following phrases does not describe a motor?

What do the sounds of a basketball bouncing and a dog barking have in common? A. Both require a medium to travel through. B. Both require a human eardrum in order to be heard. C. Both have the same amplitude. D. Both have the same frequency.

What are some examples of action and reaction force

Find velocity gradient

In equation y = mx means what

Sea anemones can produce completely new organisms by regeneration. Are these new organisms genetically identical to the parents? Why or why not

What are 3 types of muscle tissue still?

Which of the following is a true statement? * Waves do not transport matter through which they travel Waves can transport matter through solids, liquids and gases, but not through empty space.