A whistle of frequency 500 Hz moves in a circle of radius 1 m at3 rev/s. What are the maximum and minimum frequencies heard by astationary listener in the plane of the circle and 5 m from itscenter?

Determine the sound level in decibels at the point : Two identical speakers are separated by 3.4m and produce sound of different frequencies equally in all direction. Determine the sound level in decibels at the point that is a midway between the speakers |

Determine the average shearing stress in the bolts : A composite beam is made by attaching the timber and steel portions with bolts of 14-mm diameter spaced logitudinally every 200 mm. The modulous of elasticity is 10 GPa for the wood and 180 GPa for the steel. |

Find the period of the pendulum : A simple pendulum has a length of 52.4 cm and makes 83.7 complete oscillations in 2.00 min. Find the period of the pendulum |

Determine the most economical design of system to deliver : You are the Chief Engineer for a prominent hydraulics consulting company. Your client wants to pay you lots of money to design a system to deliver 1 m3/s from reservoir A at elevation 300 m to reservoir B at 500 m. |

Find the minimum frequencies heard by astationary listener : A whistle of frequency 500 Hz moves in a circle of radius 1 m at3 rev/s. What are the maximum and minimum frequencies heard by astationary listener |

Importance of framing a problem : A program that tells a bus rider which buses to take to get from one location to another, arriving by a specified time. |

What is the voltage across the resistor : A 700 omega and a 2300 omega resistor ar econnected in a series with a 12-V battery. What is the voltage across the 2300 omega resistor |

Compute the acceleration at the moment the train speed : A train slows down as it rounds a sharp horizontal turn, going from 80.0 km/h to 58.0 km/h in the 13.0 s that it takes to round the bend. Compute the acceleration at the moment the train speed reaches 58.0 km/h |

Explain what is the pressure of the mixture : 1.2 mol of helium is mixed with 2.3 mol of argon in a volume of 1.0L and a temperature of 25.0C. Assuming that helium and argon are perfect gases, what is the pressure of the mixture |

## What are the magnitude and direction of the total forceA charge of -3.00 nC is placed at the origin of an x-y coordinate system, and a charge of 2.00 nC is placed on the y-axis at y=4.00cm. What are the magnitude and direction of the total force |

## What are the components of the speedboats final velocityA speedboat moves on a lake with initial velocity vector V1x= 9.27m/s and V1y= -2.83m/s, What are the components of the speedboat's final velocity |

## Find the ratio of the electric forceA 0.10g honeybee acquires a charge of 25pCwhile flying, What is the ratio of the electric force on the bee to the bee's weight |

## By how much does ball fall short of clearing the crossbarA placekicker must kick a football from a point 36.0 m (about 40 yards) from the goal. By how much does the ball clear or fall short of clearing the crossbar |

## Obtain the moment of inertia of the wheelA rope is wrapped around a wheel of radius R=2.0 meters. The wheel is mounted with frictionless bearings on an axle through its center. What is the moment of inertia of the wheel |

## How far are you from the base of the archYou are driving into St. Louis, Missouri, and in the distance you see the famous Gateway-to-the-West arch. how far (in kilometers) are you from the base of the arch |

## What ids the speed of the galaxy relative to earthWavelengths of light from a remote galaxy are found to be 1.5 % longer than the corresponding wavelengths measured here on earth. What ids the speed of the galaxy relative to earth |

## What force causes the crate to acceleratePresume the child remains horizontal during the fall to the floor. Note that a more complicated fall could result in a head velocity greater or less than the speed you calculate. |

## How much charge is on each sphereA total charge of 7.05 10-6 C is distributed on two different small metal spheres. How much charge is on each sphere |

## Estimate the stiffness of the springWhat centripetal force does an 80-kg passenger experience when seated 12 m from the center of the Ferris wheel whose angular speed is 0.50 rad/s. |

## What is the electric potential due to the charged sphereIn our electrostatics lab, we charge a metal sphere to 1000 V. What is the electric potential due to the charged sphere at a point 1.00 cm from its surface |

## Find the average sound level13 cars in a circle at a boom box competition produce a 110 dB sound level at the center of the circle. What is the average sound level produced there by each |

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