Equilibrium: If the sum of both the external torques and the external forces on an object is zero, then the object must be at rest.
A. True
B. False
Answer: B
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Relate the inflationary theory to the GUTs
What will be an ideal response?
The oldest Earth rocks so far discovered and dated are _____
A) amethyst crystals B) rhodonite crystals C) zircon crystals D) turquoise crystals
147.5 ml of ethyl alcohol (coefficient of volume expansion 
at a temperature of 273.1 K is measured into a 150.0 ml glass beaker (whose coefficient of volume expansion is negligible by comparison). To what temperature does the beaker have to be warmed for it to be completely full (i.e. for the volume of the alcohol to reach 150.0 ml)?
A. 288.0 K B. 278.1 K C. 283.1 K D. 288.2 K
An atomic nucleus has a charge of +40e. What is the magnitude of the electric field at a distance of 1.0 m from the nucleus?
A) 5.4 × 10-8 N/C B) 5.6 × 10-8 N/C C) 5.8 × 10-8 N/C D) 6.0 × 10-8 N/C E) 6.2 × 10-8 N/C