How is Pluto's moon system thought to have formed?
A) from a giant impact
B) by gravitational capture of passing asteroids
C) by gravitational capture of passing comets
D) by stealing them during a close encounter with Neptune
A) from a giant impact
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We find that N current loops are coplanar and coaxial. The first has radius a and current I. The second has radius 2a and current 2I, and the pattern is repeated up to the Nth, which has radius Na and current NI. The current in each loop is counterclockwise as seen from above. The magnitude of the magnetic field at the center of the loops is
A.
.B.
C.
.D.
.E.
.A ray of light in glass strikes a water-glass interface at an angle of incidence equal to one-half the critical angle for that interface
The index of refraction for water is 1.33, and for the glass it is 1.43. What angle does the refracted ray in the water make with the normal? A) 37° B) 42° C) 47° D) 32° E) 27°
Is the Chernobyl accident an advertisement for passive reactor safety features? Explain
What will be an ideal response?
The electric potential at x = 3.00 m is 120 V, and the electric potential at x = 5.00 m is 190 V. What is the x component of the electric field in this region, assuming the field is uniform?
1.140 N/C 2.-140 N/C 3.35.0 N/C 4.-35.0 N/C 5.75.0 N/C