What is the acceleration of two falling sky divers (mass 116.0 kg including parachute) when the upward force of air resistance is equal to one-fourth of their weight? n?

Find how high above the valley floor will combined chunks go : A 5.00 kg chunk of ice is sliding at 13.0 m/s on the floor of an ice-covered valley when it collides with and sticks to another 5.00 kg chunk of ice that is initially at rest. how high above the valley floor will the combined chunks go |

Is the current leading or lagging behind the voltage : A resistor (R = 900 ?), a capacitor (C = 0.25 µF), and an inductor (L = 2.0 H) are connected in series across a 240 Hz AC source for which ?Vmax = 110 V. Calculate the following. (a) the impedance of the circuit (b) the maximum current delivered by t.. |

What is the spring constant of the potential well : An electron confined in a harmonic potential well emits a 1280nm photon as it undergoes a 5 ? 4 quantum jump. What is the spring constant of the potential well |

Monatomic ideal gas along processes : Consider the expansion of 60.0 moles of a monatomic ideal gas along processes 1 and 2 in the figure below. In process 1 the gas is heated at constant volume from an initial pressure of Pi = 95 kPa to a final pressure of Pf = 190 kPa. In process 2 .. |

What is the acceleration of two falling sky divers : What is the acceleration of two falling sky divers (mass 116.0 kg including parachute) when the upward force of air resistance is equal to one-fourth of their weight? n? |

Find velocity of their center of mass before-after collision : A ball of mass 0.206 kg with a velocity of 1.54 m/s meets a ball of mass 0.291 kg with a velocity of -0.396 m/s in a head-on, elastic collision. (a) Find their velocities after the collision. V1f = m/s V2f = m/s (b) Find the velocity of their center .. |

Find the magnitude of the vertical component of force : A 4.0-m-long iron bar of uniform cross section is held perpendicular to the wall by a wire from the end of the bar to the wall as shown below. what is the magnitude of the vertical component of force produced by the wall |

Determine what is the flow speed in this pipe : Water flows at 0.950 m/s from a hot water heater, through a 450-kPa pressure regulator. What's the flow speed in this pipe |

How should the company handle investor relations : Management had to act quickly with a plan to move forward as smoothly as possible. How should the company handle investor relations in order to calm shareholder panic and negative stock price movement? |

## 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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