A hollow, thin-walled cylinder and a solid sphere start from rest and roll without slipping down an inclined plane of length 3.0 m. The cylinder arrives at the bottom of the plane 2.4 s after the sphere. Determine the angle between the inclined plane and the horizontal.

Explain electrophilic aromatic substitution reactions : Predict whether each of the following groups will be o,p-, or m-directors in electrophilic aromatic substitution reactions: SCH3 |

Estimate the frictional torque : A wheel free to rotate about its axis that is not frictionless is initially at rest. A constant external torque of +40 N·m is applied to the wheel for 17 s, giving the wheel an angular velocity of +520 rev/min. Find the frictional torque |

Determine what is the angular velocity of the particle : You observe a 2.0 kg particle moving at a constant speed of 3.9 m/s in a clockwise direction around a circle of radius 4.0 m. What is the angular velocity of the particle |

Energy from a rotating flywheel with a radius : A car is designed to get its energy from a rotating flywheel with a radius of 2.25 m and a mass of 550 kg. The flywheel can be considered as a uniform thin cylinder. Before a trip, the flywheel is attached to an electric motor, which brings the flywh.. |

Find the angle between the inclined plane and the horizontal : A hollow, thin-walled cylinder and a solid sphere start from rest and roll without slipping down an inclined plane of length 3.0 m. find the angle between the inclined plane and the horizontal |

Child climbs a normal staircase to the second floor : When an 78.3-kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 2.08 x 103 J. By how much does the potential energy of a 19.5-kg child increase when the child climbs a normal st.. |

Compute average time a customer waits for service : Case Study - Local Bank - Average time a customer waits for service, average time a customer is in the system and percentage of time the server busy with customers (utilization factor) |

Explain the activation energy of the oxidation reaction : Ammonia will react with oxygen in the presence of a copper catalyst to form nitrogen and water. From 164.5 C to 179C, the rate constant increases by a factor of 4.27. What is the activation energy of this oxidation reaction |

Characteristic path of projectile motion : The drawing shows a skateboarder moving at 7.87 m/s along a horizontal section of a track that is slanted upward by 49.2 ° above the horizontal at its end, which is 0.739 m above the ground. |

## A car tyre is pumped up to 230 kpa what is the volume ofa car tyre is pumped up to 230 kpa. what is the volume of air at atmospheric pressure 100kpa that must be pumped into a |

## Q1 a 355-kg object is thrown vertically upward from theq1. a 3.55-kg object is thrown vertically upward from the surface of mercury where the acceleration due to gravity is |

## Distance between the centers of the two slitsWhat is the distance between the centers of the two slits? Describe answer in m. |

## What is the bugs speed after the collisionA bug is hovering in the air (v=0) when a heavy automobile, moving at 20 m/s, suddenly collides with it. what is the bug's speed after the collision |

## Determine how high must the person climbA 73.6 kg weight-watcher wishes to climb a mountain to work off the equivalent of a large piece of chocolate cake rated at 514 (food) Calories. How high must the person climb |

## Calculate the charge-to-mass ratio of this particleA charged particle is injected at 135 m/s into a 0.0713-T uniform magnetic magnetic field perpendicularly to the field. What is the charge-to-mass ratio of this particle |

## Find the directions on the compassTwo radio antennas operating at 6.00 Mhz are separated by 120.0m along a North-South line. Find the directions on the compass in which no radiation is sent out |

## What frequency change is found by the speed detectorA car moving at 150km/h (93mph) is approaching a stationary police car whose radar speed detector operates at a frequency of 15Ghz |

## Determine the angular velocityA rotating space station is said to create "artificial gravity"-a loosely-defined term used for an acceleration that would be crudely similar to gravity, what angular velocity would produce an "artificial gravity" of 9.80 m/s2 at the rim |

## Find the magnitude of the force required to pull lid off boxAn airtight box has a removable lid of area 2.46 × 10-2 m2 and negligible weight. find the magnitude of the force required to pull the lid off the box |

## Find the magnitude of the acceleration of the joggerA jogger accelerates from rest to 3.49 m/s in 2.40 s. A car accelerates from 21.0 to 31.8 m/s also in 2.40 s, Find the magnitude of the acceleration of the jogger |

## What is the maximum torque that this coil can experienceCompute the average number of ion pairs produced along the entire paths of 12.0 MeV electrons that are brought to rest in air. Would number of ion pairs produced in soft tissue be significantly different. |

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