Density: A 1938 nickel has a diameter of 21.21 mm, a thickness of 1.95 mm, and weighs 0.04905 N. What is its density?
A. 1.37 × 10-4 kg/m3
B. 1.82 × 103 kg/m3
C. 19.3 × 103 kg/m3
D. 3.63 × 103 kg/m3
E. 7.26 × 103 kg/m3
Answer: E
You might also like to view...
To observe a spectroscopic binary, we must be able to see both stars individually
Indicate whether the statement is true or false
Two identical pith balls supported by insulating threads hang side by side and close together, as shown below.One is positively charged; the other is neutral. We can conclude that
A. all field lines leaving the positively charged pith ball end on the neutral pith ball. B. some of the field lines leaving the positively charged pith ball end on the neutral pith ball. C. none of the field lines leaving the positively charged pith ball end on the neutral pith ball. D. positive charge is transferred along the field lines until both balls have equal charges. E. positive charge is transferred along the field lines until both balls hang along vertical lines.
When we see a meteor shower, it means that ________
A) an Earth-approaching asteroid has recently come very close to our planet B) you should duck and run for cover to avoid being blasted on the head by a rock from space C) the solar wind is unusually strong D) Earth is crossing the orbit of a comet
Angular momentum __________ conserved
Fill in the blank(s) with correct word