Two harmonic waves moving in the same direction are described by y1(x, t)=10.2sin(4x-700t) and y2(x, t)=10.2sin(4x-700t-7.9). What is the amplitude of the resultant wave at interference

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

Asynthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 75.5 psi and standard deviation 3.5 psi. how is the standard deviation of the sample mean changed when the sample size is increased from n equals 8 to n equals 47

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