An LR circuit is prepared for an experiment, initially with its switch open. The time constant is that time after switch closure at which the energy stored in the inductor reaches what percentage of its final value
A. 63%
B. 14%
C. 37%
D. 40%
E. 100%
D. 40%
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Briefly describe how the greenhouse effect makes a planetary surface warmer than it would be otherwise
What will be an ideal response?
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Indicate whether the statement is true or false
You're in a fast-moving train traveling at constant velocity. If you jump straight up you land
A) slightly ahead of your original position. B) at your original position. C) slightly behind your original position.