What are the similarities and differences between Coulomb's Law and Newton's Law of gravitation?
What will be an ideal response?
Both laws are inverse-square laws and both are directly dependent on the quantities involved: electric charge for electrical force, and mass for gravitational force. The coulomb force between a pair of electrons is many billions of times greater than the gravitational force between them. Whereas the gravitational force is only attractive, the coulomb force can be attractive or repulsive, depending on whether like or unlike charges are involved.
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What are some of the challenges faced by the urban poor who live in slums or squatter settlements? What arguments can you make for and against some governments decision to recognize existing slums?
What will be an ideal response?
Cynodonts were mammal-like reptiles and considered to be ancestors of the true mammals
a. True b. False
The largest energy transfer in the solar spectrum occurs in the
A) x-ray part of the spectrum. B) ultraviolet part of the spectrum. C) visible part of the spectrum. D) infrared part of the spectrum. E) radio wave part of the spectrum.
There appears to be a _______ of photosynthesis and respiration currently, so the remarkable atmosphere is best understood as a result of the long term _______ of organisms in the ocean and on land.
Fill in the blank(s) with the appropriate word(s).