In which eon of Earth's history did the heavy bombardment occur?

A) Hadean
B) Archean
C) Phanerozoic
D) Proterozoic


A

Physics & Space Science

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Addition by 1. Components: Vector  = 4.00 m points eastward and vector  = 3.00 m points southward. The resultant vector  +  is given by

A. 5.00 m at an angle of 36.9° south of east. B. 5.00 m at an angle of 53.1° south of east. C. 5.00 m at an angle of 71.6° south of east. D. 5.00 m at an angle of 18.4° south of east. E. 5.00 m at an angle of 26.6° south of east.

Physics & Space Science

A certain ideal gas has a molar specific heat at constant volume Cv = 7R/5. What is its molar specific heat at constant pressure?

A) 12R/5 B) 7R/3 C) 12R/7 D) 12R/5 E) 4R

Physics & Space Science

Reflection from rough surfaces is called ______________ reflection

Fill in the blank(s) with correct word

Physics & Space Science

You can raise the temperature of an object with

a. microwaves. b. infrared waves. c. ultraviolet rays. d. all of the above. e. only (a) and (b) above.

Physics & Space Science