A gold ring has an inner diameter of 2.168 cm at a temperature of 15.0°C. Determine its diameter at 100.0°C. (?GOLD = 1.42 × 10?5/°C)
What will be an ideal response?
2.171 cm
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What will be an ideal response?
The condition of ____________________ means that the force due to gravity pushing down on a layer is exactly equal to the pressure pushing outward on that layer
Fill in the blank(s) with correct word
Any rock having a very large mass would necessarily
A) be very difficult to accelerate. B) move very slowly. C) have a very large weight. D) All of the above. E) need to go on a diet.
A double-star system with each star having the mass of the Sun has an orbital period of 1 year. A second double star system, also with each star having the mass of the Sun, has an orbital period of 8 years. If the separation of the stars in the first system is d and the orbits in both cases are circular, what is the separation of the stars in the second system?
a. 0.5d b. 2d c. 4d d. 8d