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A block of mass m is tied to a cord of length L that is pivoted at the center of a frictionless table. A second block of mass m is tied to the ?rst block also on a cord of length L, and both are set in motion so that they rotate together at angular speed ω as given above. The tensions T1 and T2 in the cords are:
1) T1 = 3mω2L, T2 = 2mω2L
2) T1 = mω2L, T2 = 2mω2L
3) T1 = mω2L, T2 = mω2L
4) T1 = 2mω2L, T2 = 2mω2L
5) T1 = mω2L, T2 = 4mω2L
A horizontal power line carries a current of 6110 A from south to north. Earth's magnetic field (86.8 mT) is directed toward the north and is inclined downward at 70 degrees to the
Alfonso and Sarah like to go sky diving together. Alfonso has a mass of 88 kg, and Sarah has a mass of 66 kg. While in free fall together, Alfonso pushes Sarah horizontally with a
Draw a picture of a moving source and the waves surrounding it according to what you observed in this experiment. How does the spacing of the wave-fronts in front of the source com
It is the degree or extent by which magnetic lines of force can enter a substance and is expressed by µ.
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An imaginary point in a body of matter where, for convenience in certain calculations, the total weight of the body may be thought to be at that point.It is a point where the gravi
please help us doing project work in thegiven topic
Electrons are emitted from a photosensitive surface when it is illuminated by green light but electron emission does not take place by yellow light. Will the electrons be emitted w
How then do I recognize a product's quality? There are some ways. The status and name of the company making the product is significant and its geographical location. Several co
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