State Kepler's third law
What will be an ideal response?
The square of the orbital period of a planet is directly proportional to the cube of the average distance of the planet from the Sun.
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The contained air in a closed, sealed can placed on a hot stove will undergo an increase in
A) internal energy. B) temperature. C) pressure. D) all of the above E) none of the above
Comets are visible chiefly because of reflected ______________
Fill in the blank(s) with correct word
The Earth cannot contain a giant permanent magnet because
A) the Earth doesn't have enough iron. B) the core would repel it. C) the Earth isn't large enough. D) ferromagnetism disappears at high temperature. E) its magnetic field is too large.
A neutron is characterized by the term "thermal neutron" when
a. its energy is of the order kT, where T is on the order of 0°C. b. its energy is of the order kT, where T is on the order of 0 K. c. its energy is of the order kT, where T is on the order of 273°C. d. its energy is of the order kT, where T is on the order of 100°C. e. its energy is of the order kT, where T is on the order of 0°R.