A 2.0 kg ball is moving at 4.0 m/s WEST. The momentum of the ball is
A. 4.00 kg m/s WEST.
B. 6.00 kg m/s WEST.
C. 8.0 kg m/s WEST.
D. 10 kg m/s WEST.
E. 12 kg m/s WEST.
C. 8.0 kg m/s WEST.
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What determines the amount of time that a particular star remains above your horizon any given day?
A) all three of your latitude, longitude, and the star's declination B) your latitude and the star's declination only C) your latitude and the star's right ascension only D) your longitude and the star's declination only E) your longitude and the star's right ascension only
An atomizer works because of
a. Archimedes' principle. b. Pascal's principle. c. Bernoulli's principle. d. Torricelli's principle. e. none of these principles.
UPC price scanners at supermarket checkouts use laser holography to read the bar codes because the packages are three dimensional
a. True b. False Indicate whether the statement is true or false
The degree to which a soil or rock allows groundwater to flow is called
A) permeability. B) aquifer. C) porosity. D) hydraulic gradient.