SPH3U -Assignment Sound

• Please include the correct units for all of your answers
• Questions should have all work shown where applicable
• Please use paper for the calculating question

2. Stressed out by a physics assignment. you head ta the beach to relax. Dnce you are there. you watch the waves crash lntd the share. You ccaunt that 15 waves crash intcu share In 1 minute. a. Calculate the frequency of the waves. in. Calculate the period of the waves. c. If there is a distance ofrn between each 1waye crest. calculate the wave speed. 3. Thejogger lost his diamond bag in the tug of war and the Sprinter ran away with it. The Sprinter runs outside in the warm, 25C air, and the diamond bag creates a lot of noise. a. h. 1ii'lil'hat Is the speed of sound In the air? If there is a police car positioned Tm avvav, how long would it take for them to hear the Sprinter's diamond bag? The sprinter stops to take a break. The police turn on their 100111 Hz siren and I drive at BDmfs towards the Sprinter. lIii'ii'hat frequency.f does the sprinter hear? _ The police drive slightly too far and pass the Sprinter. What fretluenitgiir does the sprinter hear after they drive by