Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

Normal Size Small Size show me how

# Cullen Hassel SS

### Cullen Hassel study stack

Question | Answer |
---|---|

Wave | A disturbance that transfers energy |

Medium | Material-solid, liquid, gas-through which a wave can travel |

Transverse wave | Particles move perpendicularly to the direction the wave travels |

Crest | The highest point in a wave |

Trough | The lowest point in a wave |

Longitudinal wave | Particles move back and forth in the same direction the wave travels |

Compression | When the wavelengths are close together |

Rarefaction | When the wavelengths are far apart |

Mechanical wave | A wave that requires a medium |

Electromagnetic wave | Not disturbances in a physical medium |

Amplitude | Measure of how far particles in the medium move from their rest position |

Wavelength | Distance from any point on a wave to the next identical point on the same wave |

Frequency | Number of waves that pass a point in a given amount of time |

Hertz | The measure of frequency |

Wave speed | The speed that waves travel |

Force | Push or pull exerted on an object measured in Newtons |

Work | Use of force to move an object some distance W=F multiplied by D measured in Joules |

Power | Measure of how much energy a force transfers when it acts on a moving object |

A 20N dog climbs one flight of stairs at least once everyday to get to his bed. This takes him 5 seconds. Each step is 2 meters high. how much power does the dog generate | 8 Watts |

If a seventh grader runs down the hallway which is 8 meters long and his force is 35N what is his work | 280 Joules |

Elephants use sound with very low frequency, 5 cycles per second. If the speed of sound is 20 degrees C is 340m/s how long is the wavelength | WL=WS/F 340/5=68cm |

What is the expression for power | P=W/T |

Unit of measurement for energy | Joules |

What is force measured in | Newtons |

The speed of the wave was 2.5cm/s and the wave traveled 50cm find the time it took the wave to travel that far | S=D/T 50/5 multiplied by 5=20p T=D/T |

If the frequency of a wave was 80Hz and the wavelength was 5cm what was its speed | S=WL multiplied by F 80 multiplied by 5=400cm/s |

Created by:
chassel7