At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. People sit in seats facing the axis, their backs against the outer wall. At one instant the outer wall moves at a speed of 3.20 m/s, and an 64.6-kg person feels a 427-N force pressing against his back. What is the radius of a chamber?

What is the angular magnification of the magnifier : A lens has a focal length of 40 mm magnifier. An object viewed with the magnifier is 5.3 mm tall, What is the angular magnification of the magnifier |

Explain the effects that are responsible for the absorbance : Describe the effects that are responsible for the three different absorbance profiles and select three additional elements you would expect to have similar prifile |

How many times does each tire rotate : A car with 68 -diameter tires accelerates uniformly from rest to 20 in 10. How many times does each tire rotate |

Obtain the orbital speed of the second satellite : A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.59 x 104 m/s, What is the orbital speed of the second satellite |

Calculate the radius of a chamber : At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. calculate the radius of a chamber |

State the cell reaction and electrode half-reactions : Write the cell reaction and electrode half-reactions and calculate the standard potential of each of the following cells |

Determine the inductive reactance of the circuit : A generator connected to an RLC circuit has an rms voltage of 140V and an rms current of 32mA, what is the inductive reactance of the circuit |

Find the voltage across the load and the power delivered : A certain amplifier has an open circuit voltage gain of unity,and input resistance of 1 MΩ, and an output resistance of100Ω. The signal source has an internal voltage of 5 Vrms and an internal resistance of 100kΩ. The load resistance is 50Ω. |

Which side of pn junction should be connected to positve v : Which side of a pn junction should be connected to the positive voltage for forward bias In normal operation, which type of bias (forward or reverse) is applied to the emitter-base junction of a BJT To the collector-base junction |

## Find the free-fall acceleration at the surface of jupiterWhat is the free-fall acceleration at the surface of the moon and What is the free-fall acceleration at the surface of the Jupiter |

## What is the pitch of the resulting helical pathAn electron moves in a region where the magnetic field is uniform, has a magnitude of 60 mT, What is the pitch of the resulting helical path |

## What is the magnitude of the acceleration of the particleA partcile is moving along the x-axis has a position given by x=(24t-2.0t^3)m, where t is measured in seconds. What is the magnitude of the acceleration of the particle at the instant when its velocity is zero? |

## How much heat flows from the outer to the inner surfaceA cubical piece of heat-shield tile from the space shuttle measures 0.11 m on a side and has a thermal conductivity of 0.059 J/(s m ·C°). How much heat flows from the outer to the inner surface of the tile in six minutes |

## What is the activity after 30 daysA sample of 10.0 mCi decays 1.2% in a single day. What is the activity after 30 days? |

## Calculate the magnification of the imageA candle is placed 1.270m in front of a converging lens. The image of the object is focused on a screen 1.376m behind the lens. What is the magnification of the image |

## Find the magnitude of the normal force on the crateA crate of weight W is being pushed across a horizontal surface by a force directed at an angle of 20 degrees below the horizontal. find the magnitude of the normal force on the crate |

## How to generate a reaction forceObjects A and B are on a horizontal surface. Object A exerts a force on object B, and, in accordance with the laws of motion, generates a reaction force. |

## What is the ratio of the final sound intensityThe volume control on a surround-sound amplifier is adjusted so the sound intensity level at the listening position increases from 21 to 59 dB. What is the ratio of the final sound intensity to the original sound intensity? |

## What is the velocity at the end of this intervalA 0.599 kg object is at rest at the origin of a coordinate system. A 3.76 N force in the positive x direction acts on the object for 2.46 s. What is the velocity at the end of this interval |

## What are power of the eyepieceAn astronomical telescope uses an objective power of +1.280 D. If the length of the telescope is 80.000 cm, what are power of the eyepiece |

## How far short of the target does it strike the groundSetting a world record in a 100m race, Maggie and Judy cross the finish line in a dead heat, both taking 10.0 s. Accelerating uniformly, Maggie took 2.0 s and Judy 2.5 s to attain maximum speed that they maintained for the rest of race. |

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