The interior of a white dwarf behaves like a degenerate gas, i.e., the temperature has little effect on the pressure.
Answer the following statement true (T) or false (F)
True
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____________ is the separation of material in a newly formed planet or asteroid according to density. This happens when the object becomes molten
a. Accretion b. Differentiation c. Condensation d. Outgassing e. Sublimation
The index of refraction for red light in water is 1.331 and for blue light is 1.340 . If a ray of white light enters the water at an angle of incidence of 83.00°, what are the underwater angles of refraction for the blue and red components of the light?
Which of the following four objects has the greatest kinetic energy?
a. An object of mass m moving with speed 4v b. An object of mass 3m moving with speed 2v c. An object of mass 4m moving with speed v d. An object of mass 2m moving with speed 3v e. None of these; all four objects have the same kinetic energy.
Magnetic Field of a Long Wire: Two long parallel wires that are 0.40 m apart carry currents of 10 A in opposite directions. What is the magnetic field strength in the plane of the wires at a point that is 20 cm from one wire and 60 cm from the other? (?0 = 4? × 10-7 T ? m/A)
A. 3.3 µT B. 6.7 µT C. 33 µT D. 67 µT