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BAED-PHYC2121 General Physics 1
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A tiny spring, with a spring constant of 1.2 N/m, will be stretched to what displacement by a 0.0055-N force?
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A large spring requires a force of 100 N to compress it only 0.010 m. What is the spring constant of the spring?
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13.5 Reflection and Scattering of Sound13.6 The Doppler Effect
A train station bell gives off a fundamental tone of 1000 Hz as the train approaches the station at a speed of 20.0 m/s. If the speed of sound in air is 335 m/s, what will be the apparent frequency of the bell to an observer riding the train?0%
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If the speed of a wave on a violin string is 400 m/s, what will be the speed of the wave if the tension in the string is halved?
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A mass-spring system on a horizontal frictionless surface is set in simple harmonic motion with amplitude A. The mass is then doubled and the system is again set into simple harmonic motion with the same amplitude. Which of the following is true about the total mechanical energy of the system due to doubling the mass?
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13.3 Standing Sound Waves
A tuning fork is sounded above an adjustable length resonating tube (one end closed), which resonates at a length of 0.250 m and again at 0.750 m. What is the frequency of the fork when the speed of sound is taken to be 340 m/s?0%
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When considering human metabolism in terms of the 1st Law of Thermodynamics, which of the following represents the metabolic rate?
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Tripling the weight suspended vertically from a coil spring will result in a change in the displacement of the spring's lower end by what factor?
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In which system is heat usually transferred from the cooler part to the warmer part?
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12.3 Examples of Waves
A wave travels in a string at 60 m/s. A second string of 40% greater linear density has the same tension applied as in the first string. What will be the resulting wave speed in the second string?0%
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