A cylinder which is in a horizontal position contains an unknown noble gas at 4.63 × 104 Pa and is sealed with a massless piston. The piston is slowly, isobarically moved inward 18.9 cm which removes 1.50 × 104 J of heat from the gas. If the piston has a radius of 30.5 cm, calculate the change in internal energy of the system.

Find the speed of the bucket : A bucket of mass 2.00 kg is whirled in a vertical circle of radius 1.10 m. At the lowest point of its motion the tension in the rope supporting the bucket is 25.0 N. Find the speed of the bucket |

Explain what is the formula for the compound with a valency : What is the formula for the compound formed between germanium with a valency of (IV) and antimony with a valency of (III) |

Develop a functional web-based application for a calculator : Develop a functional web-based application for a calculator. It does not need to be live; you can provide JavaScript, CSS, and HTML files. The calculator should successfully complete addition, subtraction, multiplication, and division operations.. |

The real world application of the chosen technology : The real world application of the chosen technology |

Calculate the change in internal energy of the system : A cylinder which is in a horizontal position contains an unknown noble gas at 4.63 × 104 Pa and is sealed with a massless piston. calculate the change in internal energy of the system |

Find the net rate of radiation by a pot : Find the net rate of radiation by a pot at 45.1°C that has been placed in a -24.1°C freezer. The pot\'s surface area is 0.117 m2 and its emissivity is 0.635 |

State alpha particle produces a proton and other radioactive : Bombardment of nitrogen-14 with an alpha particle produces a proton and what other radioactive isotope |

Find the time for the feather to fall to the surface of moon : A feather is dropped on the moon from a height of 1.40 meters. find the time for the feather to fall to the surface of the moon |

Explain what is the average atomic mass of magnesium : The element magnesium has 3 isotopes with the masses and natural abundances shown in the table. Mass of Isotope Natural abundance 23.98504 78.99 24.98584 10.00 25.98259 11.01 What is the average atomic mass of magnesium |

## Find the speed of the cubeAn ice cube slides from rest without friction down a long inclined ramp that makes an angle of 20.0o with the horizontal. What is the speed of the cube |

## Find the bicyclists average power outputIt takes 150 minutes for a middle-aged physics professor to ride his bicycle up the road to Alpe d'Huez in France. What is the bicyclist's average power output |

## Determine the sepaaration between the two runnersOne runner ran the 100-m dash in 11.9 s. Another runner came in secona at 12.4 s. determine the sepaaration between the two runners |

## Explain how much time do they have to run to safetyA uniform plank of length 5.5 m and weight 205 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support .To what distance x can a person who weighs 447-N walk on the overhanging part of the plank before it just .. |

## What is the height of the cliff in metersAn arrow is shot from a height of 1.9 m toward a cliff of height H, what is the height of the cliff in meters and what is the max height of the arrow along its trajectory in meters |

## Compute the power factor of the circuitIn a series RCL circuit the dissipated power drops by a factor of 8.0 when the frequency of the generator is changed from the resonant frequency to a nonresonant frequency |

## What is the total current that passes througn this closedThe value of F B. ds along closed path in a magnetic field is given by 6.28 X 10 T.m. What is the total current that passes througn this closed path? |

## What is the magnetic moment of the rotating ringA uniform ring with a radius of 2.15 cm and a total charge of 6.37 ?C rotates with a constant angular speed of 3.84 rad/s, What is the magnetic moment of the rotating ring |

## What will the pressure be if the nitrogen is replacedA storage tank contains 21.6 kg of nitrogen (N_2) at an absolute pressure of 3.54 atm. What will the pressure be if the nitrogen is replaced by an equal mass of CO_2 ? |

## Find out the moment of inertia of the pulleyYou're in an airplane that flies horizontally with speed 1000 km/h (280m/s) when an engine falls off. Neglect air resistance suppose it takes 30s for the engine to hit the ground. |

## What was the net angular impulse applied to the bodyDuring the propulsive phase of a dive (pushing off the diving board), the net vertical and horizontal forces were 100 N and -100 N, what was the net angular impulse applied to the body |

## Obtain the current in the coilThe magnetic field 7.5 cm directly above the center of a 25-turn coil of radius 15cm is 0.80mT. obtain the current in the coil |

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