What is the wavelength of a sound wave that has a speed of 340 m/s and a frequency of 880 hz? what is the wavelength of a sound wave that has a speed of 250 m/s and a frequency of 400 hz? what is the wave speed of a wave that has a frequency of 50 hz and a wavelength of 2.0 m? what is the wave speed of a wave that has a frequency of 100 hz and a wavelength of 0.50 m?

What impact did improvements in farming technology near the end of the nineteenth century have on the american economy? a. more energy was needed to power equipment, creating the renewable energy industry. b. less labor was necessary on farms, leading workers to pursue other jobs. c. less money was invested in farming as many locally owned farms went bankrupt. d. more demand for agricultural products reduced the price of food and animal products.

Which statement reflects a citizens need to increase his civic particpation

Write a sentence with valiant and steadfast