On a particular day, the air temperature is 75°F. If lowering the air temperature by 9° would cause the air to be saturated, what is the relative humidity?
74%
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A 6.00-m long rope is under a tension of 600 N. Waves travel along this rope at 40.0 m/s. What is the mass of the rope?
A) 1.00 kg B) 1.25 kg C) 2.25 kg D) 2.50 kg E) 1.12 kg
One U.S. fluid gallon contains a volume of 231 cubic inches. How many liters of gasoline would you have to buy in Canada to fill a 14-gallon tank? (Note: 1 L = 103 cm3.)
A. 53 B. 21 C. 14 D. 8.0 E. 4.0
The wavelength of light visible to the human eye is on the order of 5 × 10^-7 m. If the speed of light in air is 3 × 10^8 m/s, find the frequency of the lightwave
a. 3 × 10^7 Hz b. 4 × 10^9 Hz c. 5 × 10^11 Hz d. 6 × 10^14 Hz e. 4 × 10^15 Hz
A spin-1/2 particle that does not interact via the strong interaction is a(n)
a. lepton b. baryon c. meson d. intermediate (or gauge) boson e. hadron