The ________ is a vast, spherical array of long period comet nuclei far beyond the orbit of Neptune
Fill in the blank(s) with correct word
Oort Cloud
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The mass of 1H is 1.007825 u and the mass of 1n is 1.008665 u. The mass of 12C is 12.000000 u. What is the total binding energy of 12C?
A) 7.7 MeV B) 92 MeV C) 0.099 MeV D) 46 MeV E) 15 MeV
A swimmer heading directly across a river 200 m wide reaches the opposite bank in 6 min 40 s. She is swept downstream 300 m. How fast can she swim in still water?
A) 1.24 m/s B) 1.83 m/s C) 0.50 m/s D) 1.42 m/s E) 0.25 m/s
A 1000-kg car experiences a net force of 9500 N while slowing down from 30 m/s to 15.9m/s How far does it travel while slowing down?
A) 31 m B) 34 m C) 41 m D) 37 m
A solid nonconducting sphere of radius R carries a uniform charge density throughout its volume. At a radial distance r1 = R/4 from the center, the electric field has a magnitude E0. What is the magnitude of the electric field at a radial distance r2 = 2R?
A) E0/4 B) zero C) E0/2 D) E0 E) 2E0