A seismographic station receives S and P waves from an earthquake, separated in time by 16.8 s. Assume the waves have traveled over the same path at speeds of 4.50 km/s and 7.40 km/s. Find the distance from the seismograph to the focus of the quake. km

Find the initial speed of the bullet : A bullet of mass 11.4 g is fired into an initially stationary block and comes to rest in the block. Find the initial speed of the bullet |

Determine the transverse speed element of the string : A transverse wave on a string is described by the following wave function. y = 0.105 sin [(?/12)x + 5?t] where x and y are in meters and t is in seconds. (a) Determine the transverse speed at t = 0.290 s for an element of the string located at x = 1... |

Estimate the average force on the driver : Find the average force on the driver if the deceleration is accomplished gradually by the application of brakes over a 10.6 s interval |

Consider the sinusoidal wave of in figure-what is coordinate : Consider the sinusoidal wave of in the figure below with the wave function y = 0.150 cos (15.7x ? 50.3t) where x and y are in meters and t is in seconds. At a certain instant, let point A be at the origin and point B be the closest point to A along t.. |

Distance from the seismograph to the focus of the quake : A seismographic station receives S and P waves from an earthquake, separated in time by 16.8 s. Assume the waves have traveled over the same path at speeds of 4.50 km/s and 7.40 km/s. Find the distance from the seismograph to the focus of the quake. |

Green–yellow region of the visible electromagnetic spectrum : The eye is most sensitive to light having a frequency of 5.45 1014 Hz, which is in the green–yellow region of the visible electromagnetic spectrum. What is the wavelength of this light? m |

Magnetic field in the sunlight at the earths location : Assume the intensity of solar radiation incident on the cloud tops of the Earth is 1 518 W/m2. (a) Taking the average Earth–Sun separation to be 1.496 1011 m, calculate the total power radiated by the Sun. W (b) Determine the maximum value of the ele.. |

Determine the corresponding electric field amplitude : In 1965, Arno Penzias and Robert Wilson discovered the cosmic microwave radiation left over from the Big Bang expansion of the Universe. Suppose the energy density of this background radiation is 3.7 10-14 J/m3. Determine the corresponding electric f.. |

A radio wave transmits-calculate the radiation pressure : A radio wave transmits 16.7 W/m2 of power per unit area. A flat surface of area A is perpendicular to the direction of propagation of the wave. Assuming the surface is a perfect absorber, calculate the radiation pressure on it. nPa |

## Find the magnitude of the resulting magnetic fieldA sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere. |

## Find the equivalent resistanceA resistor is in the shape of a cube, with each side of resistance R . Find the equivalent resistance between any two of its adjacent corners. |

## What is the electric field at the locationQuestion: Field and force with three charges? What is the electric field at the location of Q1, due to Q 2 ? |

## What is the maximum displacement of the bridge deckWhat is the maximum displacement of the bridge deck? |

## What is the magnitude of the current in the wireWhat is the magnitude of the current in the wire as a function of time? |

## Introductory mechanics: dynamicsCalculate the smallest coefficient of static friction necessary for mass A to remain stationary. |

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