The ring of negligible size is subjected to a vertical force of 200 lb. Determine the longest length l of cord AC such that the tension acting in AC is 160 lb. Also, what is the force acting in cord AB? Hint: Use the equilibrium condition to determine the required angle for attachment, then determine l using trigonometry applied to ? ABC

## Obtain the weight of the piece when it is made of leadA certain part of an aircraft engine has a volume of 2.3 ft3. Determine the weight of the piece when it is made of lead |

## Estimate to whatmaximum height will it attainA solid uniform sphere of mass M and radius R has atranslationavelocity of 10m/s while rolling w/o slipping. estimate to whatmaximum height will it attain |

## Determine how long is the eagle in the airStarting from its nest, an eagle flies at constant speed for 3.2 min due east, then 4.6 min due north. How long is the eagle in the air |

## Calculate the thrust of the enginesAn airbus A320 has a takeoff mass of 75,000 kg. It reaches a takeoff speed of 82 m/s in 35 s. What is the thrust of the engine |

## Evaluate what is the angle of inclinationA physics student playing with an air hockey table (frictionless surface) , What is the angle of inclination |

## What is the acceleration at the higest pointA stone is thrown upward with an inital speed of 20 m/s. What is its acceleration at the higest point of its trajectory, Find its veolocit |

## Calculate the frequency of the tuning forkThe temperature of the air in a resonator is 15°C, when a tuning fork vibrates at one end, calculate the frequency of the tuning fork |

## What would their separation distanceSuppose the charge of one is increased by twenty seven times while the charge of the other is reduced to one-third its initial value. What would their separation distance have to be changed to in order to keep the force between them the same? |

## What is the minimum thickness of the coatingA material with an index of refraction of 1.33 is used to coat glass. The index of refraction of glass is 1.5. What is the minimum thickness of the coating that will minimize the reflection of light with a wavelength of 5470A? Answer in units of μ.. |

## Gives information on ages and cholesterol levelsAccording to the Youth Risk Behavior Surveillance 2001 survey by the Centers for Disease Control and Prevention, 33.4% of the 9th-grade girls and 35.9% of the 12th-grade girls considered themselves overweight. Assume that these percentages are bas.. |

## Draw a diagram of the arrangemenA uniform metre rule can be balanced at 70.0 cm mark when a mass 0.05kg id hung from the 94.0cm mark. a. draw a diagram of the arrangement b. find the mass of the metre scale |

## A 25 kg particle is in simple harmonic motion in onea 2.5 kg particle is in simple harmonic motion in one dimension and moves according to the equationx 6.4 mcosp3 radst |

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