题目内容

What is the approximate volume of the average adult human body?

A. 0.05 m3
B. 0.1 m3
C. 0.5 m3
D. 1 m3
E. 1.5 m3

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To be dimensionally consistent, which of the following formula must be related where velocity [L/T], frequency [1/T], and wavelength [].()

A. velocity = frequency2*wavelength
B. velocity = frequency*wavelength
C. velocity = frequency/wavelength
D. velocity = frequency/wavelength2
E. velocity = frequency*wavelength2

To be dimensionally consistent, distance [], velocity [L/T], and time [] must be related as follows. ()

A. distance = time/velocity
B. distance = velocity/time
C. distance = time/velocity2
D. distance = velocity*time2
E. distance = velocity*time

Using the following unit conversions: 1.00 fluid ounce = 29.573 ml, 1.00 L = 1000 cm3, density of water = 1.00g/cm3, the number of fluid ounces in a kg of water is

A. 48.8 fluid ounces.
B. 40.1 fluid ounces.
C. 33.8 fluid ounces.
D. 25.7 fluid ounces.

The population of the United States is approximately 290,000,000. Write this in scientific notation.

A. 2.9*107
B. 29*107
C. 2.90*107
D. 2.9*108
E. 2.9*109

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