If a wave has a frequency of 6 waves per second and a wavelength of 10 m, what is the wave's speed? 0.6 m/sec
1.6 m/sec.
60 m/sec.
none of the above
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If water vapor with the mass of 35.0 grams is cooled and condensed into water in a closed system such as a closed glass jar, what is the mass of the water after the water vapor completely condenses? a) 34.5 grams b) 35.0 grams c) 35.5 grams d) the mass cannot be determined without knowing the volume