The flattest of the ellipticals are class:
A) E0.
B) SBO.
C) E7.
D) E9.
E) SBF.
C
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What is the CNO cycle and how is it different from hydrogen fusion?
What will be an ideal response?
An ion enters a mass spectrometer which has a 0.18 Tesla field perpendicular to an electric field of 1.6 kV/m and selects a velocity. The same magnetic field is then used to deflect the singly charged ion into a circular path of radius 12.5 cm
(a) What velocity was selected? (b) What was the ion mass?
Which best describes the relationship between two systems in thermal equilibrium?
a. No net energy is exchanged. c. Masses are equal. b. Volumes are equal. d. The velocity is zero.
The splitting of a large nucleus into two smaller nuclei upon absorbing a neutron is
a. nuclear fission b. nuclear fusion c. neutron activation d. nuclear emission e. beta decay