The grooved terrain found on Ganymede is believed to be:
A) systems of faults in the brittle crust.
B) flow channels or liquid methane.
C) caused by meteor impacts.
D) formed with long cracks in its icy crust.
A
You might also like to view...
Vector Nature of Angular Quantities: When you ride a bicycle, in what direction is the angular velocity vector of the wheels?
A. to your left B. to your right C. forwards D. backwards E. up
A nonconducting sphere of radius 10 cm is charged uniformly with a density of 100 nC/m3. What is the magnitude of the potential difference between the center and a point 4.0 cm away?
A. 12 V B. 6.8 V C. 3.0 V D. 4.7 V E. 2.2 V
Two long parallel wires that are 0.30 m apart carry currents of 5.0 A and 8.0 A in the opposite direction. Find the magnitude of the force per unit length that each wire exerts on the other wire and indicate if the force is attractive or repulsive
(?0 = 4? × 10-7 T ? m/A) A) 2.7 × 10-5 N repulsive B) 7.2 × 10-5 N repulsive C) 3.4 × 10-5 N attractive D) 2.7 × 10-5 N attractive E) 7.2 × 10-5 N attractive
The self-inductance of a solenoid increases under which of the following conditions?
a. Only the cross sectional area is decreased. b. Only the number of coils per unit length is decreased. c. Only the number of coils is increased. d. Only the solenoid length is increased.