Question 15 5 pts The mass of 3 0.65m long stretched string is 7 x 10'3 kg. A transverse wave traveling on this string has a frequency of 300 Hz and a wavelength of 0.6m. What is the tension in the string? E Question 16 5 pts A concrete highway is built of slabs 16m long (at 10C). How wide should the expansion cracks between the slabs be (at 10C) to prevent buckling if the range of temperature is -35C to +55C? E