One of the effects of Mercury's very slow spin is
A) tectonic activity.
B) large variations in the size of its polar cap.
C) an intensely powerful magnetic field.
D) wind patterns that are slow, but global in size.
E) extreme variations in its surface temperature.
E
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The first self-sustaining nuclear fission reaction was achieved in Chicago in 1942 under the direction of a scientist named ______________
Fill in the blank(s) with correct word
A heat engine is any device that changes mechanical work into thermal energy
Indicate whether the statement is true or false
Gravitational Force: What is the magnitude of the gravitational force that two small 7.00-kg balls exert on each other when they are 35.0 cm apart? (G = 6.67 × 10-11 N ? m2/kg2)
Fill in the blank(s) with the appropriate word(s).
A dipole moment is placed in a uniform electric field oriented along an unknown direction. The maximum torque applied to the dipole is equal to 0.1 N.m. When the dipole reaches equilibrium its potential energy is equal to -0.2 J
What was the initial angle between the direction of the dipole moment and the direction of the electric field? A) 10° B) 90° C) 45° D) 30° E) 0