A person with perfect pitch sits on a bus bench listening to the 450{\rm Hz} horn of an approaching car. If the person detects a frequency of 475{\rm Hz} , how fast is the car moving? I have answered 19, 19.1, 20, 15.3 and 19.0 all are incorrect.

Explain predict the major organic product of the reaction : Predict the major organic product of the reaction between N-propylacetamide and sodium benzoate upon heating at 140 degrees Celsius. Select one: N-propylbenzamide propyl benzoate phenyl propanoate acetic benzoic anhydride sodium acetate no reactio.. |

What is the return on assets : You have found the return on equity to be 14.3 percent. Sales were $1,735,000, the total debt ratio was 0.35, and total debt was $648,000. |

Free radicals generated at site of injury can be eliminated : Free radicals generated at the site of injury can be eliminated by? And Why? |

Discuss the various considerations a banker must take : Discuss the various considerations a banker must take while opening an account of a non-trading organization of Pakistan. |

How fast is the car moving : A person with perfect pitch sits on a bus bench listening to the 450{\rm Hz} horn of an approaching car. how fast is the car moving |

Define alcohols carboxylates acyl chlorides carboxylic acids : Esters and amides can be most easily and conveniently prepared by nucleophilic substitution reactions on: (select one or more) alcohols carboxylates acyl chlorides carboxylic acids amines acid anhydrides another amides |

What dollar amount of deposits can the bank have : A new bank has vault cash of $1 million and $5 million in deposits held at its federal reserve district bank. If the required reserves ratio is 8 percent, what dollar amount of deposits can the bank have? |

What is the image distance for this lamp : A lamp which is 12.0 cm tall is 286.8 cm in front of a converging lens which has a focal length of 77.5 cm. What is the image distance for this lamp |

Explain radical halogenation is a very unselective process : Chlorination via radical halogenation is a very unselective process and can lead to the formation of all three of the below products. Estimate the relative percentages of each product that will be formed using this means of halogenation. Presume t.. |

## What is the equivalent spring constant k of boneA man of mass 65 kg falls stiff-legged straight down from a height of 2m. He lands on one foot. The femur is a bone in the leg with the length L=.65m, and a cross-sectional area of about 2.0 x 10^-4m^2. The Young's modulus for bone is 9.4x 10^9 N/.. |

## What will be the number of beats heard per secondAndy, age 16, lacks self-discipline, fails to plan ahead, and is rapidly frustrated by challenging tasks. He is nervous and overly critical of others. Make use of the psychoanalytic, humanistic and social-cognitive perspectives to give three contr.. |

## Find out the magnitude of angular acceleration of the wheelFind out the magnitude of angular acceleration of the wheel |

## What is the angular velocity of the bicycle wheelsA bicycle racer is traveling at 10 m/s with an acceleration of 0.5 m/s^2. The radius of the bicycle wheel is 33 cm. What is the angular velocity of the bicycle wheels |

## Calculate the initial pressure inside the bubbleAn oxygen bubble at the bottom of a lake 20. m deep has a volume of 1.20 cm^3, calculate the initial pressure inside the bubble at the bottom of the lake |

## What is the frictional force on the brickA 67 kg person sits on a 3.5kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.8 cm in diam. Determine the pressure exerted on the floor by each leg of the chair; Assume the weight is evenly distributed. |

## Find the effective spring constant of the moleculeA molecule of DNA (deoxyribonucleic acid) is 2.22 µm long. The ends of the molecule become singly ionized, Determine the effective spring constant of the molecule |

## What is the angle when he releases the ropeA 56-kg student runs at 4.2m/s , grabs a hanging 10.0-m-long rope, and swings out over a lake. He releases the rope when his velocity is zero. What is the angle when he releases the rope |

## Illustrate what is the maximum torque that can act on itIf the loop is placed in a uniform magnetic field of magnitude 0.200 T, illustrate what is the maximum torque that can act on it? The resistivity of copper is 1.7 multiplied by 10-8 · m. |

## What total distance did it travelA good model for a radio antenna is a dipole. P1 is on the perpendicular bisector of the dipole, and P2 is along the axis of the dipole in the direction of dipole vector ˆp. P1 and P2 are both a distance 100m from the center of the dipole. |

## What is the tension in each armA 52.1-kg high-school student hangs from an overhead bar with both hands, What is the tension in each arm when the arms make an angle of 31.00 o with respect to the vertical |

## Illustrate what were the direction and length of her secondAt the end of the run, she is 175 m away from the starting point at an angle of 15.0° north of west. Illustrate what were the direction and length of her second displacement? Use graphical techniques. |

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