Problem 1CQ: a. In your own words, define what a transverse wave is. b. Give an example of a wave that, from your... Problem 2CQ: a. In your own words, define what a longitudinal wave is. b. Give an example of a wave that, from... Problem 3CQ Problem 4CQ Problem 5CQ: A wave pulse travels along a string at a speed of 200 cm/s. What will be the speed if: a. The... Problem 6CQ: Harbor seals, like many animals, determine the direction from which a sound is coming by sensing the... Problem 7CQ Problem 8CQ Problem 9CQ: Figure Q15.9 Q shows a history graph of the motion of one point on a string as a wave traveling to... Problem 10CQ: Figure Q15.10 Q shows a history graph and a snapshot graph for a wave pulse on a string. They... Problem 11CQ Problem 12CQ: Bottlenose dolphins use echolocation pulses with a frequency of about 100 kHz, higher than the... Problem 13CQ: Some bat species have auditory systems that work best over a narrow range of frequencies. To account... Problem 14CQ Problem 16CQ: The volume control on a stereo is designed so that three clicks of the dial increase the output by... Problem 17CQ: A bullet can travel at a speed of over 1000 m/s. When a bullet is fired from a rifle, the actual... Problem 18CQ Problem 19CQ Problem 20MCQ Problem 21MCQ Problem 22MCQ: Ultrasound can be used to deliver energy to tissues for therapy. It can penetrate tissue to a depth... Problem 23MCQ: A sinusoidal wave traveling on a string has a period of 0.20 s, a wavelength of 32 cm, and an... Problem 24MCQ: Two strings of different linear density are joined together and pulled taut. A sinusoidal wave on... Problem 25MCQ: You stand at x = 0 m, listening to a sound that is emitted at frequency fs. Figure Q15.25Q shows the... Problem 1P: The wave speed on a string under tension is 200 m/s. What is the speed if the tension is doubled? Problem 2P: The wave speed on a string is 150 m/s when the tension is 75.0 N. What tension will give a speed of... Problem 3P: The back wall of an auditorium is 26.0 m from the stage. If you are seated in the middle row, how... Problem 4P Problem 5P Problem 6P Problem 7P: An earthquake 45 km from a city produces P and S waves that travel outward at 5000 and 3000 m/s,... Problem 8P: A stationary boat in the ocean is experiencing waves from a storm. The waves move at 56 km/h and... Problem 9P: Figure P15.9 Q is a snapshot graph of a wave at t = 0 s. Draw the history graph for this wave at x =... Problem 10P: Figure P15.10Q is a snapshot graph of a wave at t = 2 s. Draw the history graph for this wave at x =... Problem 11P Problem 12P Problem 13P Problem 15P: A sinusoidal wave has period 0.20 s and wavelength 2.0 m. What is the wave speed? Problem 16P: A sinusoidal wave travels with speed 200 m/s. Its wavelength is 4.0 m. What is its frequency? Problem 17P: The motion detector used in a physics lab sends and receives 40 kHz ultrasonic pulses. A pulse goes... Problem 18P: The displacement of a wave traveling in the positive x-direction is y(x, t) = (3.5 cm)cos (2.7x ... Problem 19P: A traveling wave has displacement given by y(x, t) = (2.0 cm) cos(2x 4t), where x is measured in... Problem 20P Problem 21P Problem 24P: People with very good pitch discrimination can very quickly determine what note they are listening... Problem 25P: A dolphin emits ultrasound at 100 kHz and uses the timing of reflections to determine the position... Problem 26P Problem 27P Problem 28P Problem 29P Problem 30P Problem 31P: Sound is detected when a sound wave causes the eardrum to vibrate (see Figure 14.26 Q). Typically,... Problem 32P: At a rock concert, the sound intensity 1.0 m in front of the bank of loudspeakers is 0.10 W/m2. A... Problem 33P Problem 35P: A large solar panel on a spacecraft in Earth orbit produces 1.0 kW of power when the panel is turned... Problem 36P Problem 37P: LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping it. A... Problem 38P Problem 39P Problem 40P: What is the sound intensity level of a sound with an intensity of 3.0 106 W/m2? Problem 41P: What is the sound intensity of a whisper at a distance of 2.0 m, in W/m2? What is the corresponding... Problem 42P Problem 43P: The sound intensity from a jack hammer breaking concrete is 2.0 W/m2 at a distance of 2.0 m from the... Problem 44P: A concert loudspeaker suspended high off the ground emits 35 W of sound power. A small microphone... Problem 45P Problem 47P: A rock band playing an outdoor concert produces sound at 120 dB 5.0 m away from their single working... Problem 48P: Your ears are sensitive to differences in pitch, but they are not very sensitive to differences in... Problem 49P: 30 seconds of exposure to 115 dB sound can damage your hearing, but a much quieter 94 dB may begin... Problem 50P Problem 51P: An opera singer in a convertible sings a note at 600 Hz while cruising down the highway at 90 km/h.... Problem 52P: An ospreys call is a distinct whistle at 2200 Hz. An osprey calls while diving at you, to drive you... Problem 53P: A whistle you use to call your hunting dog has a frequency of 21 kHz, but your dog is ignoring it.... Problem 54P: An echocardiogram uses 4.4 MHz ultrasound to measure blood flow in the aorta. The blood is moving... Problem 55P Problem 57P: A Doppler blood flow unit emits ultrasound at 5.0 MHz. What is the frequency shift of the ultrasound... Problem 58P: A train whistle is heard at 300 Hz as the train approaches town. The train cuts its speed in half as... Problem 60GP: A 2.0-m-long string is under 20 N of tension. A pulse travels the length of the string in 50 ms.... Problem 61GP: A female orb spider has a mass of 0.50 g. She is suspended from a tree branch by a 1.1 m length of... Problem 62GP: A spider spins a web with silk threads of density 1300 kg/m3 and diameter 3.0 m. A typical tension... Problem 63GP: In 2003, an earthquake in Japan generated 1.1 Hz waves that traveled outward at 7.0 km/s. 200 km to... Problem 64GP Problem 65GP Problem 66GP Problem 67GP: Low-frequency vertical oscillations are one possible cause of motion sickness, with 0.30 Hz having... Problem 68GP Problem 69GP Problem 70GP: A wave on a string is described by y(x, t) = (3.0 cm) cos [2(x/ (2.4 m + t/ (0.20 s))], where x is... Problem 71GP: Write the y-equation for a wave traveling in the negative x-direction with wavelength 50 cm, speed... Problem 72GP: A point on a string undergoes simple harmonic motion as a sinusoidal wave passes. When a sinusoidal... Problem 73GP Problem 74GP Problem 75GP: A dark blue cylindrical bottle is 22 cm high and has a diameter of 7.0 cm. It is filled with water.... Problem 76GP: Assume that the opening of the ear canal has a diameter of 7.0 mm. For this problem, you can ignore... Problem 77GP: The sound intensity 50 m from a wailing tornado siren is 0.10 W/m2. What is the sound intensity... Problem 78GP: One of the loudest sound generators ever created is the Danley Sound Labs Matterhorn. When run at... Problem 79GP: A harvest mouse can detect sounds below the threshold of human hearing, as quiet as 10 dB. Suppose... Problem 80GP Problem 81GP: A physics professor demonstrates the Doppler effect by tying a 600 Hz sound generator to a... Problem 82GP: When the heart pumps blood into the aorta, the pressure gradientthe difference between the blood... Problem 83MSPP: Although we cant hear them, the ultrasonic pulses are very loud. In order not to be deafened by the... Problem 84MSPP: Bats are sensitive to very small changes in frequency of the reflected waves. What information does... Problem 85MSPP: Some bats have specially shaped noses that focus ultrasound echolocation pulses in the forward... Problem 86MSPP: Some bats utilize a sound pulse with a rapidly decreasing frequency. A decreasing-frequency pulse... format_list_bulleted