Will our Sun become a supernova? Why?
What will be an ideal response?
No, it is not in a close binary system to produce Type I events, and it is not nearly massive enough to fuse elements all the way to iron in its core.
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Imagine that we have two identical metal spheres on insulating stands that we give the same negative charge. If we slowly bring the spheres closer and closer together, the charge per unit area ? on each sphere will at the point nearest the other sphere
A. become increasingly negative. B. become less negative. C. remain constant.
The intensity level of an orchestra is 85 dB. A single violin achieves a level of 70 dB. How does the intensity of the sound of the full orchestra compare with that of the violin?
An AC generator consists of 6 turns of wire. Each turn has an area of 0.040 m2. The loop rotates in a uniform field (B = 0.20 T) at a constant frequency of 50 Hz. What is the maximum induced emf?
A. 13 V B. 2.4 V C. 3.0 V D. 15 V E. 4.8 V
All specimens of a pure ______________ have identical properties and composition
Fill in the blank(s) with correct word