The frequency of a sound is the number of complete waves that pass a point in a second. Complete the sentences by circling the correct word in the brackets. A higher frequency means (more fewer ) vibrations per second. Sound a) b) Frequency is a measure of (pitch (hertz C) A (high/ low) frequency means a high-pitched sound. d) Frequency is measured in ( pitch hertz which is the number of vibrations per second. When RussellL was standing on a cliff, he saw some dynamite being set off in the quarry below. A few seconds later, he heard a huge explosion. Russell South side North side KABLOOEY a) Why did Russell see the dynamite explode before he heard it? This because. loght travels faster is than. Sound. b) Just before he heard the explosion, he felt a faint vibration in the ground. Explain why he felt vibrations in the ground before he heard the explosion. Use the words dense, medium, faster, particles, solid and gas in your answer. c) Shortly after he heard the explosion, he heard an echo. Use what you know about the properties of sound and the diagram to explain why.

The frequency of a sound is the number of complete waves that pass a point in a second. Complete the sentences by circling the correct word in the brackets. A higher frequency means (more fewer ) vibrations per second. Sound a) b) Frequency is a measure of (pitch (hertz C) A (high/ low) frequency means a high-pitched sound. d) Frequency is measured in ( pitch hertz which is the number of vibrations per second. When RussellL was standing on a cliff, he saw some dynamite being set off in the quarry below. A few seconds later, he heard a huge explosion. Russell South side North side KABLOOEY a) Why did Russell see the dynamite explode before he heard it? This because. loght travels faster is than. Sound. b) Just before he heard the explosion, he felt a faint vibration in the ground. Explain why he felt vibrations in the ground before he heard the explosion. Use the words dense, medium, faster, particles, solid and gas in your answer. c) Shortly after he heard the explosion, he heard an echo. Use what you know about the properties of sound and the diagram to explain why.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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