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Koch homework
| Question | Answer |
|---|---|
| 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 |