PHY 1001 Unit 8 Mathematical Assignment 1. A wave is sent back and forth along a rope 4 m long with a mass of 0.6 kg by exerting a force a force of 30 N. Calculate the linear mass density of the rope (in kg/m). Physics-Problem Solving Entries Key Idea Stock of Data Solution Sanity Check 2. A 3 Hz wave has a wavelength of 0.4 m. Calculate the speed of the wave (in m/s). Physics-Problem Solving Entries Key Idea Stock of Data Solution Sanity Check 3. A wave travels at 60 m/s and has a wavelength of 2.8 m. Calculate the wave frequency (in Hertz). Physics-Problem Solving Entries Key Idea Stock of Data Solution Sanity Check 4. Calculate the wavelength (in m) of the note middle "C" (frequency = 256 Hz) in air at room temperature and pressure. Physics-Problem Solving Entries Key Idea Stock of Data Solution Sanity Check 5. If the tension (i.e., force) on a string increases 2 times but the density of the string remains constant, the new speed of waves on the string will be how many times greater than the original speed? Physics-Problem Solving Entries Key Idea Stock of Data Solution Sanity Check 6