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Koch homework

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