Koch homework
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is a transverse wave? | A vibrating wave at right angles to the direction of its program.
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| What is the crest? | he high point of a wave.
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| What is the trough? | The lowest point of a wave.
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| If I walk up 50 cm and each step is 3 cm how much power did I generate? | 20 Watts
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| If I walk for 20 minuets and go 4 miles what was my work? | 5Joules
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| What is a longitudinal wave? | A vibrating wave in the direction that is up and down.
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| The yellow light given off by a sodium vapor lamp used for public lighting has a wavelength of 589 nm. What is the frequency of this radiation? | V = 5.093378608 × 1014 Hz
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| What is compression? | The reduction in volume.
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| T/F- If distance increases than frequency decreases? | True
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| What is rarefaction? | Diminution in the density of something
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| What is mechanical waves? | A mechanical wave is a wave that is an oscillation of matter
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| What are electromagnetic waves? | Electromagnetic waves are waves which can travel through the vacuum of outer space
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| What is amplitude? | the maximum extent of a vibration or oscillation
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| What is wavelength? | the distance between successive crests of a wave
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| What is frequency? | the rate at which something occurs or is repeated over a particular period of time or in a given sample.
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| What are Hertz? | The hertz (symbol Hz) is the unit of frequency
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| What is wave speed? | Wave speed is the speed at which a wave travels.
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| What is Volume? | The amount of space that a substance or object occupies
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| What is the calculation for power? | P=W x D
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| What is the calculation for work? | W=F x T
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| What is the first calculation for speed? | S= Wavelength x Frequency
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| If i walked 2 miles for 30 minuets what was my time I walked? | 1 hour
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| What is time? | Time is a component quantity of various measurements used to sequence events
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| What is power? | the ability to do something or act in a particular way, especially as a faculty or quality.
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| What is work? | activity involving mental or physical effort done in order to achieve a purpose or result
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| What is distance? | an amount of space between two things
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| What can pass through a wave? | Gas, air, and water
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Created by:
Sam B
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