What is the length of the string
The mass of a string is 9.0 x 10-3 kg, and it is stretched so that the tension in it is 240 N. A transverse wave traveling on this string has a frequency of 380 Hz and a wavelength of 0.78 m. What is the length of the string?
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Consider the normal freezing point of water. What are the signs(positive or negative) of ΔS and ΔH for the freezing of liquid water to form iceand what is the ratio of ΔH/ΔS at standard pressure? Now, consider the normal bo
Two wires are kept tight between the same pair of supports. The tensions in the wires are in the ratio 4:1, the radii are in the ratio 2:1. If the ratio of the fundamental frequencies 4:9 then find the ratio of the densities.
In order to get maximum calorific output, a burner should have anoptimum fuel to oxygen ratio which corresponds to 3 times as muchoxygen as is required theoritically for complete combustion of the fuel.
If the scrap metal density, in kg/m^3, varies with position z, in m, according to density=7800-360(z/L)^2, determine the reading in the scale, in N.
The shelf life of a battery produced by one major company is known to be normally distributed, with a mean life of 3.5 years and a standard deviation of 0.75 years. What is the upper quartile of battery shelf life?
Water drips from the nozzle of a shower onto the floor 203 cm below. The drops fall at regular (equal) intervals of time, the first drop striking the floor at the instant the fourth drop begins to fall. When the first drop strikes the floor, how f
Assuming the distribution of study times is normal, what percent of students spend more than 25 hours per week on homework?
What change in the given data would have to be allowed if each set were to be used? Calculate results for at least four different sets and state reasons for your final choice.
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