Carbonaceous meteorites contain organic molecules, even amino acids
Indicate whether the statement is true or false
TRUE
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An east-facing loop carries a counterclockwise current as viewed from the east. Suppose we place this loop in a uniform magnetic field pointing vertically upward. The loop is free to rotate around any axis. How will the loop respond to the magnetic field?
A. When viewed from above, the loop will twist 90° clockwise to face south. B. When viewed from above, the loop will twist 90° counterclockwise to face north. C. When viewed from the south, the loop will twist 90° clockwise to face downward. D. When viewed from the south, the loop will twist 90° counterclockwise to face upward. E. The loop is not affected by the field.
According to our definition, we have been a technological civilization for about:
A) 1000 years. B) 10,000 years. C) 100 years. D) 10 years. E) 500 years.
When an object reaches its terminal speed, its acceleration is zero
a. True b. False Indicate whether the statement is true or false
The apparent motion of an object when it is viewed from two different positions against a fixed background is called
a. Hubble's effect. b. parallax. c. paradox. d. Brighton's effect.