A light, rigid rod of length l = 1.00 m joins two particles, with masses m1 = 4.00 kg and m2 = 3.00 kg, at its ends. The combination rotates in the xy plane about a pivot through the center of the rod (see figure below). Determine the angular momentum of the system about the origin when the speed of each particle is 4.40 m/s. magnitude kg · m2/s direction

## The angles are measured counterclockwise from an axis pointThe angles are measured counterclockwise from an axis pointing to the east, the + x direction. Determine the resultant displacement from the starting point. Enter the distance in paces (without units) and the angle relative to the positive x-ax.. |

## Compute the linear density of the stringA steel wire with mass 20.5 g and length 1.29 m is strung on a bass so that the distance from the nut to the bridge is 1.10 m. Compute the linear density of the string |

## Find out the mass of blockAssume that the blocks accelerate as shown with an acceleration of magnitude = 0.250 and that the coefficient of kinetic friction between block 2 and the plane is = 0.400. Find out the mass of block 2, , when = 30.0. |

## What is the electric potential energy of the center electronThree electrons are aligned on a straight line and separations between them are 1.0mm. What is the electric potential energy of the center electron |

## Compute the speed of the electronAn electron is 0.030 m from a proton and has velocity 10 m/s towards the proton. What is the speed of the electron |

## Calculate the power factor when the capacitor is replacedAn R = 67.8 ? resistor is connected to a C = 47.8 ?F capacitor and to a ?VRMS = 117 V, and f = 112 Hz voltage source. Calculate the power factor when the capacitor is replaced with an L = 0.335 H inductor |

## Determine the tension in the supporting cableA crane which is effectively fixed to ground lifts a box of mass m with constant speed. The arm of the crane is supported at its base by a friction-free pivot. Determine the tension in the supporting cable |

## What is the density of the tinA piece of tin has a mass of 25g and a volume of 4.3cm^3 a)what is the mass of 1 cm^3 b) what is the volume of 1g of tin c) what is the density of the tin d) what is the mass of 34cm^3 of the same type of tin e) what is the volume of 130g of the s.. |

## What is the linear velocity at the wheels centerA wheelchair athlete is training on a stationary ergometer. Her wheel's angular velocity is 3 rev/s and diameter is 80.0 cm. What is the linear velocity at the wheel's center |

## Explain how the six pieces of art fallIdentify three examples of 19th century Impressionist painting or sculpture and three Post-Impressionist works. Explain how the six pieces of art fall into these two styles. |

## Determine the net work done by the force of gravityA bead of mass m = 3.10 kg is released from point A and slides on the frictionless track as shown in the figure below. The height of A is ha = 6.70 m. Determine the net work done by the force of gravity in moving the bead from A to C |

## What is the photon energy of the ultraviolet lightThe work function for zinc is 4.31 eV. Ultraviolet light of wavelength 144 nm is incident on the clean surface of a zinc sample. What is the photon energy of the ultraviolet light |

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