An experimenter arranges to trigger two flashbulbs simultaneously, producing a big flash located at the origin of his reference frame and a small flash at x = 8.25 km. An observer, moving at a speed of 0.558c in the direction of increasing x, also views the flashes

(a) What time interval between them does she find?

(b) Which flash does she say occurs first (big/little)?

Find the location of the two flashes in frame : A red light flashes at position xR=4.00 m and time tR=1.00x10-9 s and a blue light flashes at xB=5.00 m and tB=8.50x10-9 s. Find the location of the two flashes in frame S' |

Brad can fix the same kind of meal in 2hours and his : Brad can fix the same kind of meal in 2hours, and his opportunity cost of one hour is $20. Will both Angelina and Brad be better off if Brad fixes meals for her and she pays him $45 per meal? Explain |

Determine what predetermined overhead rate would be used : Compton Company uses a predetermined overhead rate in applying overhead to production orders on a labor cost basis in Department A and on a machine-hours basis in Department B. |

Explain sodium dihydrogen borate : A buffer solution contains 0.71 mol of boric acid (H3BO3) and 0.53 mol of sodium dihydrogen borate (NaH2BO3) in 4.00 L. The Ka of boric acid (H3BO3) is Ka = 5.8e-10. pH of buffer solution |

What time interval between them does she find : An experimenter arranges to trigger two flashbulbs simultaneously, producing a big flash located at the origin of his reference frame and a small flash at x = 8.25 km. What time interval between them does she find |

Determine at what angle should the curve be banked : Engineers are designing a curved section of a highway. If the radius of curvature of the curve is 114 m, at what angle should the curve be banked |

Define the free energy change for the reaction : For a given chemical reaction, ?H = -32.0 kJ/mol and ?S = -98.0 J/mol*K. Estimate the free energy change for the reaction at 775 C and 1 bar pressure. I believe it to be 70.7 kJ/mol |

If the input costs are rising at teh same time that consumer : If the input costs are rising at teh same time that consumer income is falling, what will happen to the equilibrium price and quantity? |

What frequency of light is observed by the earthlings : Our solar system is about 1.34 parsecs away from planet A. An astronaut is moving away from earth toward planet A at 0.80c as measured in the earth's reference frame. What frequency of light is observed by the earthlings |

## Can the equations above be used in a situationConsider the following equations of motion. v = v0 + at ?x = v0t + (1/2) at^2 v2 = v02 + 2a?x (a) Can the equations above be used in a situation where the acceleration varies with time? (b) Can they be used when the acceleration is zero? |

## What is the normal force on the carA small car with mass 0.690 travels at constant speed on the inside of the track that is a vertical circle with radius 5.00. If the normal force exerted by the track on the car when it is at the top of the track (point) is 6.00, what is the normal fo.. |

## What will be the temperature increase of the ballIn a typical game of squash, two people hit a soft rubber ball at a wall until they are about to drop due to dehydration and exhaustion. What will be the temperature increase of the ball after one bounce |

## What are the magnitude and sign of the point chargeif the radius of the equipotential surface of a point charge is 10.5 m, what are the magnitude and sign of the point charge |

## Calculate the frequency of oscillation of the chandelierWhile visiting the Albert Michelson exhibit at Clark University, you notice that a chandelier swings back, Calculate the frequency of oscillation (in Hertz) of the chandelier |

## Determine the frictional force exerted on the blockA block is on a rough horizontal surface. A horizontal force of 5N is applied to the block. What is the frictional force exerted on the block |

## What is the speed of the truck when they are abreastAn automobile and a truck start from rest at the same instant, with the automobile initially at some distance behind the truck, What is the speed of the truck when they are abreast, How far was the automobile behind the truck initially |

## Explain how far x can a man who weighs from the rightExplain how far x can a man who weighs 447 n from the right support which is 1.1 m from the right side of the board before the board tips? |

## What angle does the rope make with the horizontalWhat angle does the rope make with the horizontal. |

## Determine the size of the objectA converging lens with a focal length of 12.0 cm forms a virtual image 8.00 mm tall, 17.0 cm to the right of the lens. Determine the size of the object |

## What is the height of mount kametA muon is created at the top of Mount Kamet (height 7,800 m) and travels at constant speed to sea level, what is the height of Mount Kamet |

## How much force is needed to begin moving the bookA 1.83 kg book is placed on a flat desk. Suppose the coefficient of static friction between the book and the desk is 0.542, How much force is needed to keep the book moving at constant speed once it begins moving |

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