In the fission reaction 
what are the Z and A for the unknown fission product?
A. 37, 90
B. 35, 94
C. 36, 90
D. 37, 91
E. 36, 91
E. 36, 91
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A typical battery (e.g., D-cell or AA-cell) supplies electricity at an approximate cost of
A) $1./kW ? h. B) 10.¢/kW ? h. C) $10./kW ? h. D) 1.¢/kW ? h. E) $100./kW ? h.
Burl and Paul on a sign-painting scaffold are in equilibrium, which means that the net upward supporting force of the vertical ropes is
A) equal to their weights. B) greater than their weights. C) equal and opposite to the combined weights of Burl, Paul, and the scaffold. D) none of the above
at point b? 
A. ?0 I/4?R B. ?0 I/2?R C. ?0 I/?R D. ?0 I/R E. (2 + ?)?0 I/4?R F. Zero
Discuss the important characteristics that could be revealed if you were to conduct a survey on the family of stars
What will be an ideal response?