In a star, the condition of balance between the inward force of gravity and the outward force of thermal and radiation pressure is known as ______________ equilibrium
Fill in the blank(s) with correct word
hydrostatic
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Resistance and Resistivity: When a thin copper wire that is 178 m long is connected between a 1.2-V potential difference, a current of 2.0 amps flows through the wire. What is the diameter of this wire? The resistivity of copper is 1.72 × 10-8 ? ? m.
Fill in the blank(s) with the appropriate word(s).
Kinetic energy
A. Depends only on the mass of the object B. Depends on the speed and the mass of the object C. Depends on only the speed of the object D. Is not in this chapter
A planar loop consisting of four turns of wire, each of which encloses 200 cm2, is oriented perpendicularly to a magnetic field that increases uniformly in magnitude from 10 mT to 25 mT in a time of 5.0 ms. What is the resulting induced current in the coil if the resistance of the coil is 5.0 ??
A. 60 mA B. 12 mA C. 0.24 mA D. 48 mA E. 6.0 mA
How many arcseconds are in one arcminute?
A) 10,000 B) 60 C) 360 D) 100 E) 3600