A hammer taps on the end of a 3.6-m-long metal bar at room temperature. A microphone at the other end of the bar picks up two pulses of sound, one that travels through the metal and one that travels through the air. The pulses are separated in time by 8.80 ms. Part A What is the speed of sound in this metal? Express your answer to two significant figures and include the appropriate units. IL ?
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- The figure is a history graph at x=0m of a wave moving to the right at 2.0 m/s. Part A What is the amplitude of this wave? Express your answer in centimeters to two significant figures. Part B What is the frequency of this wave?Express your answer in hertz to two significant figures. Part C What is the wavelength of this wave? Express your answer in meters to two significant figures.A violin string is 36.0 cm long. It sounds the musical note A (440 Hz) when played without fingering. For help with math skills, you may want to review: Proportions For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Palm pipes. Part A How far from the end of the string should you place your finger to play the note C (523 Hz)?A hammer taps on the end of a 4.4-m-long metal bar at room temperature. A microphone at the other end of the bar picks up two pulses of sound, one that travels through the metal and one that travels through the air. The pulses are separated in time by 8.20 ms. Part A What is the speed of sound in this metal? Express your answer to two significant figures and include the appropriate units. V = Value Submit Request Answer Units ?
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