A placekicker must kick a football from a point 36.0 m (about 40 yards) from the goal. Half the crowd hopes the ball will clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 22.6 m/s at an angle of 50.0° to the horizontal. > By how much does the ball clear or fall short of clearing the crossbar? (Enter a negative answer if it falls short.)

Explain a gaseous compound of nitrogen and oxygen : A sample of a gaseous compound of nitrogen and oxygen weighs 5.25 g and occupies a volume of 1.00 L at a pressure of 1.26 atm and temperature of -4.0 °C. Which of the following molecular formulas could be that of the compound |

Determine the force f exerted on the armature to close : The armature, frame, and core of a 12-V DC control relay are made of sheet steel. The average length of the magnetic circuit is 12 cm when the relay is energized, and the average cross section of the magnetic circuit is 0.60 cm2. |

What is the average velocity of the train during this run : A train moving at a constant speed of 59.0 km/h moves east for 50.0 min, What is the average velocity of the train during this run |

What is the frequency of the third harmonic : A 4m long, 140g rope is fixed at one end while the other is tied to a light string. what is the frequency of the third harmonic |

By how much does ball fall short of clearing the crossbar : A 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 |

What was ambrose total debt in 2011 : How much new long-term debt financing will be needed in 2012? Round your answer to the nearest cent. (Hint: AFN - New stock = New long-term debt.) |

Perform the audit on a fortune : Assume you are the partner in an accounting firm hired to perform the audit on a fortune 1000 company. Assume also that the initial public offering (IPO |

How large of a sales increase can the company achieve : How large of a sales increase can the company achieve without having to raise funds externally? Round your answer to the nearest cent. |

What is the new total length of the rod : A rod with an initial length of 4.67 m i heated from a temperature of 5 oC to 58 oC. What is the new total length of the rod |

## Determine the mass density of the oxygen gasA sealed 63 m3 tank is filled with 5000 moles of ideal oxygen gas (diatomic) at an initial temperature of 270 K. determine The mass density of the oxygen gas |

## Find the power output required of the motorA crane is required to pull up a load of building supplies from the ground to a height of 90 m at a constant velocity. Find the power output required of the motor that pulls the cable up |

## What do you mean by wind velocityThe drawing shows a mercury barometer. Consider two barometers, one using mercury and another using an unknown liquid. assume that the pressure above the liquid in each tube is negligible. The height of the unknown liquid is 18.3 times greater tha.. |

## Determine the resulting angular accelerationIf you put a 0.28 kg mass 15 cm from the axis of a massless disk, and you apply a 0.4 N force on a string wrapped at the disk's edge, what is the resulting angular acceleration |

## Calculate the y-component of the magnetic forceCalculate the y-component of the magnetic force. How fast must the candy bar travel to have the same joules in the form of kinetic energy. |

## What would be the speed at the top of its trajectoryA projectile is fired straight upward at 141 m/a. how fast is it moving at the instant it reaches the top of its trajectory? Assume in its place that it was fired upward at 45. What would be its speed at the top of its trajectory. |

## What is its mean distance from the center of the sunThe planet Jupiter revolves around the Sun in a period of about 12 years (3.79 × 108 seconds). What is its mean distance from the center of the Sun? The mass of the Sun is 1.99 × 1030 kilograms. A. 1.1 × 10^11 meters B. 1.5 × 10^11 meters C. 2.3 ×.. |

## How tall is the imageA 2.0 mm tall object is 20.0 cm to the left of a diverging lens that has a focal length of f= -30.0 cm. how tall is the image? |

## Find the equilibrium temperatureThree liquids are at temperatures of 5.0°C, 21°C, and 33°C, respectively. Equal masses of the first two liquids are mixed, Find the equilibrium temperature when equal masses of the first and third are mixed |

## How does the apparent depth vary with the viewing angleA rifle is aimed horizontally at a target 51 {rm m} away. The bullet hits the target 1.5 {rm cm} below the aim point. What was bullet's speed as it left the barrel. |

## How fast is the electron movingAn electron is released from rest at the negative plate of a parallel plate capacitor. How fast is the electron moving just before it reaches the positive plate |

## Does he survive or is he crocodile foodA bucket of mass 1.50 is whirled in a vertical circle of radius 1.20. At the lowest point of its motion the tension in the rope supporting the bucket is 25.00 N. Find out the speed of the bucket. How fast must the bucket move at the top of the circle.. |

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