A pulley with a radius of 10.0 cm is mounted on an axle that passes through the center of the pulley. The axle allows the pulley to rotate with negligible friction. The pulley is initially at rest. At t = 0, you start pulling on the end of a string that is wrapped around the outside of the pulley, giving the pulley a constant angular acceleration of 2.90 rad/s2. After t = 3.00 s of you pulling on the string, calculate the instantaneous angular speed of the pulley (rad/s).

What is the amplitude of the motion : A toy of mass 0.155 is undergoing simple harmonic motion (SHM) on the end of a horizontal spring with force constant 295 . When the object is a distance 1.15×10?2 from its equilibrium position, it is observed to have a speed of 0.305. |

What radius should the satellite move at in its orbit : Scientists want to place a 4400.0 kg satellite in orbit around Mars. They plan to have the satellite orbit at a speed of 2659.0 m/s in a perfectly circular orbit. Here is some information that may help solve this problem: |

Calculate the number of revolutions the pulley has made : A pulley with a radius of 10.0 cm is mounted on an axle that passes through the center of the pulley. calculate the number of revolutions the pulley has made |

Researching personal watercraft safety : You are researching personal watercraft (PWC) safety. These vehicles have a well known safety issue in which the rider loses stearing control when there is no thrust from the engine. |

Calculate the instantaneous angular speed of the pulley : A pulley with a radius of 10.0 cm is mounted on an axle that passes through the center of the pulley. calculate the instantaneous angular speed of the pulley |

Explain al reacting with an excess of h2so4 : Given the reaction 2Al(s) + 3H2SO4(aq) --> Al2(SO4)3 (aq) + 3H2(g) what volume of H2 gas measured at STP will be produced from 5.40 grams of Al reacting with an excess of H2SO4 |

Compute how high does the putty-block-system rise : A 0.477 kg block of wood hangs from the ceiling by a string, and a 0.0680 kg wad of putty is thrown straight upward, How high does the putty-block-system rise above the original position of the block |

Find the amplitude and find the phase angle : A frictionless block of mass 2.35 is attached to an ideal spring with force constant 250 . At the spring is neither stretched nor compressed and the block is moving in the negative direction at a speed of 11.5 .Find the amplitude. Find the phase angl.. |

Calculate the speed of the third piece of shrapnel : An artillery shell of mass 10.00 kg, lying at rest on the ground, accidentally detonates, exploding into three pieces of shrapnel. Calculate the speed of the third piece of shrapnel |

## 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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