Q. Suppose that the lower leg and the foot together have a combined mass of 4.1 {rm kg}, and that their combined center of gravity is at the center of the lower leg. What is the magnitude of the force of upper leg on the lower leg at the knee joint?

Expected value of the sample mean difference : A random sample of 50 female CFO's and a random sample of 40 male CFO's are selected. Find the expected value of the sample mean difference. |

Compute the pressure exerted on the wall : In a period of 1 s, 4.00 x10^23 nitrogen molecules strike a wall with an area of 6.30 cm2. If the molecules move with a speed of 300 m/s and strike wall head-on in elastic impacts, what is the pressure exerted on the wall? (The mass of one N2 mole.. |

Vasoconstriction of the superior and inferior vena cava : As we know that mean arterial blood pressure = CO cardiac output x total peripheral resistance (TPR), what might be a normal mechanism to compensate for elevated blood pressure? |

Evan smith experienced a heart attack in the emergency room : Evan Smith experienced a heart attack in the emergency room of Baptist Memorial Hospital after being given a dose of penicillin for a sore throat |

What is the magnitude of the force of upper leg on lower leg : What is the magnitude of the force of upper leg on the lower leg at the knee joint. |

Calculate the expression for the voltage : Hand calculate the expression for the voltage and current of the capacitor and plot these equations by using MATLAB and calculate the time constants of each circuit and point out this time constants at your voltage graphs. |

Find the partial pressures in mixture : A respiratory patient is experiencing trouble breathing and is given supplemental air with the following mixture: 53 percent O2, 2 percent CO2, and 45% N2 at a total pressure of 800 mm Hg. |

How far the object compresses the spring : Infrared photons cause a particular piece of metal to emit photoelectrons. Would photoelectrons be emitted when the metal is illuminated by visible light? |

A bottling facility with an effective capacity : A bottling facility with an effective capacity of 40,000 crates per day operates with an efficiency of 85% |

## Find the magnitude of the resulting magnetic fieldA sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere. |

## Find the equivalent resistanceA resistor is in the shape of a cube, with each side of resistance R . Find the equivalent resistance between any two of its adjacent corners. |

## What is the electric field at the locationQuestion: Field and force with three charges? What is the electric field at the location of Q1, due to Q 2 ? |

## What is the maximum displacement of the bridge deckWhat is the maximum displacement of the bridge deck? |

## What is the magnitude of the current in the wireWhat is the magnitude of the current in the wire as a function of time? |

## Introductory mechanics: dynamicsCalculate the smallest coefficient of static friction necessary for mass A to remain stationary. |

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