The F Ring around Saturn is maintained by ________

Fill in the blank(s) with correct word


two shepherd moons

Physics & Space Science

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A positively charged metal sphere A is brought into contact with an uncharged metal sphere B. As a result:

A) both spheres are positively charged B) A is positively charged and B is neutral C) A is positively charged and B is negatively charged D) A is neutral and B is positively charged E) A is neutral and B is negatively charged

Physics & Space Science

Match the moons listed to the left with the characteristics described in the sentences to the right. Drag words from the left to the blanks on the right. Each moon should be used only once.

Physics & Space Science

The internal energy of a substance can be increased by

a. doing work on it b. letting it do work c. adding heat to it d. extracting heat from it e. none of the above

Physics & Space Science

Radiation: A sphere of surface area 1.25 m2 and emissivity 1.0 is at a temperature of 100°C. At what rate does it radiate heat into empty space? (? = 5.67 × 10-8 W/m2 ? K4)

A. 7.1 W B. 0.71 mW C. 1.4 kW D. 9.9 mW E. 3.7 W

Physics & Space Science