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

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 |

Calculate the speed of the balls just after the collision : A 5 kg ball and 10 kg ball approach eachother with a speed of 20 m/s. If they collide perfectly inelasticially, the speed of the balls just after the collision is what |

## Find the first-order diffraction angles for red lightA diffraction grating has 1.5?m spacing. Find the first-order diffraction angles for the following wavelengths. Find the first-order diffraction angles for red light |

## How fast is the satellite traveling in orbitA 2500 kg satellite is to be launched and put in orbit at 750km above the surface of the earth. What gravitational force will the satellite experience? How fast is the Satellite traveling in orbit? |

## Find the equilibrium temperatureThree liquids are at temperatures of 5.0°C, 21°C, and 33°C, respectively. Equal masses of the first two liquids are mixed, Find the equilibrium temperature when equal masses of the first and third are mixed |

## Find what will their future motions beThere are two objects. For object 1 the net force is 2 N pointing left on x axis. For object 2 the total force on the object is 0 N. What will their future motions be |

## Estimate the mass of the stringA wave on a string has a speed of 397 m/s. If the tension in the string is 128 N and its length is 1.9 m, what is the mass of the string |

## Determine the acceleration of the busA hammer is hanging by a light rope from the ceiling of a bus. The ceiling of the bus is parallel to the roadway. What is the acceleration of the bus |

## What is the direction of the takeoff velocity vectorSuppose a 64.0 kg boy and a 48 kg girl use a massless rope in a tug-of-war on an icy, resistance-free surface. If the acceleration of the girl toward the boy is 3.00 m/s2, find out the magnitude of the acceleration of the boy toward the girl. |

## What is the power loss due to resistance in the lineA high-voltage transmission line with a resistance of 0.34 omegacap.gif/km carries a current of 960 A. What is the power loss due to resistance in the line |

## Find the magnitude of the normal force on the bagTwo forces are applied to a car in an effort to accelerate it. The first force, F1 = 328 N, is applied at an angle α = 35° to the forward dashed line. The second force, F2 = 544 N, is applied at an angle β = 8° to the forward dashed line. (a) What is.. |

## Find the increase in potential energy of the springA spring with a constant k of 30 N/m is stretched a distance of 20 cm (0.20m) from its original unstretched position |

## Determine total distance travelledSally travels by car from one city to another. She drives for 30.0 min at 69.0 km/h, 37.0 min at 34 km/h, and 54min at 74.0 km/h and she spends 13.0 min eating lunch and buying gas. |

## Find the speed of the block just after leaving the springA 2.00kg block is pushed against a 400N/m spring, compressing it 22.0 cm. When the block is released, find the speed of the block just after leaving the spring |

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