7 results found for physics

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00:03:00

Resonance and Bridges

by Abigail Pearson
Resonance and Bridges
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 7 years ago | 2794 views
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Abbie describes why bridges must be designed to counteract the effects of unwanted vibrations.

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00:09:00

Standing waves

by Joe Wolfe
Standing waves
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 1538 views
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Reflecting waves gives standing waves, which can be resonances. Standing waves on strings and in pipes and plates.

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00:10:00

The Doppler effect

by Joe Wolfe
The Doppler effect
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 1684 views
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Moving either source or receiver produces a frequency shift called the Doppler effect, which we measure and analyse.

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00:06:00

Travelling waves II

by Joe Wolfe
Travelling waves II
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 1271 views
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The wave equation and its physical origin. Power in a wave and its relation to intensity in radiation.

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00:07:00

Travelling waves I

by Joe Wolfe
Travelling waves I
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 1357 views
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In an extended medium, inertia and a restoring force can lead to waves, which reflect at boundaries, either erect or inverted.

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00:07:00

Diffraction and Fourier Transforms

by Tega Edo
Diffraction and Fourier Transforms
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1306 views
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How we are affected by the very widespread manifesations of diffraction.

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00:09:00

Measuring the speed of sound

by Colin Byfleet
Measuring the speed of sound
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 12 years ago | 11062 views
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A presentation showing how to measure the speed of sound over a short distance on a laboratory table.

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