A diffraction grating with 300 lines per mm is used in an experiment to study the visible spectrum of a gas discharge tube. At what angle from the beam axis will the first order peak occur if the tube emits light with wavelength of 500.7 nm? At what angle will the second order peak occur?

Calculate the change in electric potential energy of system : Two particles each with charge +1.86 µC are located on the x axis. One is at x = 1.00 m, and the other is at x = ?1.00 m. (a) Determine the electric potential on the y axis at y = 0.320 m. .... kV (b) Calculate the change in electric potential energy.. |

Compare the probabilities for an oscillating particle : Compare the probabilities for an oscillating particle in its ground state to be found in a small interval of width dx at the center of the well and at the classical turning points. |

Friction between cannon and the ground : A cannon with a mass of 115 kg shoots a cannonball with a mass of 8 kg. If the speed of the cannon ball as it leaves the cannon is 185 m/s,what is the speed of the cannon at that time??(assume cannon is initially at rest,not fastened down in any way,.. |

What are the x n y component of their final velocity : An 80 kg hockey player is gliding down the ice with a velocity of 7.5 m/s in +ve x directon.he is hit by a defensive player of mass 105 kg ans an initial velocity of 4.5m/s in -ve y direction.if the players experience a completely inelastic collision.. |

Diffraction grating-what angle will second order peak occur : A diffraction grating with 300 lines per mm is used in an experiment to study the visible spectrum of a gas discharge tube. At what angle from the beam axis will the first order peak occur if the tube emits light with wavelength of 500.7 nm? At what .. |

What is the minimum thickness of coating : What is the minimum thickness of coating which should be placed on a lens in order to minimize reflection of 646 nm light? The index of refraction of the coating material is 1.32 and the index of the glass is 1.57. |

Calculate the distance between the two slits : Two narrow slits are illuminated by a laser with a wavelength of 537 nm. The interference pattern on a screen located x = 5.50 m away shows that the second-order bright fringe is located y = 6.00 cm away from the central bright fringe. Calculate the .. |

How far does the putty-block system compress the spring : A 0.413 kg block is attached to a horizontal spring that is at its equilibrium length, and whose force constant is 24.6 N/m. The block rests on a frictionless surface. A 0.0500 kg wad of putty is thrown horizontally at the block, hitting it with an i.. |

Find the final speed of both vehicles after the collision : A 667 kg car stopped at an intersection is rear-ended by a 1600 kg truck moving with a speed of 13.5 m/s. If the car was in neutral and its brakes were off, so that the collision is approximately elastic, find the final speed of both vehicles after t.. |

## Compute the average speed of the particleA particle travels 18 times around a 11-cm radius circle in 45 seconds. What is the average speed (in m/s) of the particle |

## How many electrons would it take to fill the shellSuppose that the spin magnetic quantum number ms had three possible values, rather than two. how many electrons would it take to fill the K shell |

## What is the frequency of vibration of the stringwhat is the frequency of vibration of the string. If the shot was launched from 6.00 f above the ground at an initial angle of 42.0 degrees , what was its initial speed. |

## What is the difference between the lengths in mmA skyscraper has 550 windows that each have length 2.50m and height 2.0m when the temperature is 25C. the windows are made of single-pane glas of thickness 1/2"(1.27com) mounted in an aluminum frame. |

## How high will the water rise in the bucketA cylindrical bucket, open at the top, is 28.0 cm high and 10.0 cm in diameter. How high will the water rise in the bucket |

## How fast is the ball moving just as it leaves the trayA 1.10kg , horizontal, uniform tray is attached to a vertical ideal spring of force constant 190N/m and a 295g metal ball is in the tray. How fast is the ball moving just as it leaves the tray |

## Monochromatic light is beamed into michelson interferometerMonochromatic light is beamed into a michelson interferometer. The movable mirror is displaced 0.36 nm, causing the central spot in the interferometer pattern to change from bright to dark and back to bright 1829 times. Determine the wavelength of.. |

## Find what is the maximum mass that he can haveA ladder of uniform density, length 4m and mass 20kg, makes an angle = 65 degrees with the horizontal and its upper end rests against a wall. What is the maximum mass that he can have such that the ladder will not slip when he reaches this point |

## By how much has the entropy of the universe increasedIf an amount of heat Q_H is extracted from a hot reservoir (at temperature T_H) but is simply wasted by dumping into a cold reservoir, by how much has the entropy of the Universe increased |

## How much work is required to move the chargeA 3.3-mC charge is moved through a 150-V potential difference. How much work is required to move the charge |

## Find the electrostatic potential energy if all the chargesFour point charges of magnitude 3.1 µC are at the corners of a square of side 5 m. Find the electrostatic potential energy if all the charges are negative. |

## Obtain the stopping distance of the carSuppose a car is traveling at +20.4 m/s, and the driver sees a traffic light turn red. obtain the stopping distance of the car |

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