By studying the continuous blackbody spectrum from a solid it is possible to deduce the composition of the solid.
Answer the following statement true (T) or false (F)
False
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A flat coil of wire is placed in a uniform magnetic field that is in the y direction. The magnetic flux through the coil is a maximum if the plane of the coil is: (More than one answer may be correct.)
1.in the xy plane 2.in the yz plane 3.in the xz plane 4.in any orientation, because it is a constant
Two equal point charges Q are separated by a distance d. One of the charges is released and moves away from the other due only to the electrical force between them
When the moving charge is a distance 3d from the other charge, what is its kinetic energy?
A 6.0-?F air capacitor is connected across a 100-V battery. After the battery fully charges the capacitor, the capacitor is immersed in transformer oil (dielectric constant = 4.5)
How much additional charge flows from the battery, which remained connected during the process? A) 1.2 mC B) 1.5 mC C) 1.7 mC D) 2.1 mC E) 2.5 mC
In a prolonged drought, groundwater is
A) unaffected—there is always water flowing underground. B) in danger of being diminished. C) safe from processes at the surface. D) completely gone.