Q1. An electric field of 8.60 x 107 V/m is desired between two parallel plates, each of area 35.0 cm2 and separated by 2.45 mm of air. What charge must be on each plate?

Q2. Assume 4.00 mol of an ideal gas undergoes a reversible isothermal expansion from volume V1 to volume V2 = 4V1 at temperature T = 250 K. Find (a) work done by the gas and (b) he entropy change of the gas. (c) If expansion is reversible and adiabatic instead of isothermal, what is the entropy change of the gas?

What fraction of the total power is wasted in leads : Eight lights are connected in parallel to a 116 V source by two leads of total resistance 1.1. If 240 mA flows through each bulb, what is the resistance of each? What fraction of the total power is wasted in leads. |

What was the mass of ice cube : A cube of ice is taken from the freezer at -9.4°C and placed in a 94 g aluminium calorimeter filled with 315 g of water at room temperature of 20°C. The final situation is observed to be all water at 19°C. What was the mass of ice cube. |

What is the transform in the car''s kinetic energy : Two non conservative forces are present: friction does -2.00 104 J of work on the car, and a chain mechanism does +3.00 104 J of work to help the car up a long climb. What is the transform in the car's kinetic energy, ΔKE = KEf - KE0, from A to B. |

Find the magnitudes of net force acting on electron : A 1590 kg car starts from rest on a horizontal road and gains a speed of 61 km/h in 30 s (a) what is its kinetic energy at the end of the 30 s. |

What is the entropy change of the gas : An electric field of 8.60 x 107 V/m is desired between two parallel plates, each of area 35.0 cm2 and separated by 2.45 mm of air. What charge must be on each plate. |

How much work is completed by the worker : A 110 kg mail bag hangs by a vertical rope 4.0 m long. A postal worker then displaces the bag to a position 2.0 m sideways from its original position, always keeping the rope taut. As the bag is moved to this position, how much work is completed by t.. |

What is the mass of fish : The scalar product of vectors and is +51.0. Vector has magnitude 9.00 and direction 28.0 west of south. If vector has direction 36.0 south of east, what is the magnitude of. |

How long after the second ball is thrown : Two projectiles are thrown with the same initial speed, one at an angle with respect to the level ground and the other at angle 90 degree. Both projectiles strike the ground at the equivalent distance from the projection point. Are both projectiles i.. |

What is the magnetic force on the section of wire : A fun-loving 11.4 {rm kg} otter slides up a hill and then back down to the same place. If she starts up at 5.75 {rm m/s} and returns at 3.75 {rm m/s}, how much mechanical energy did she lose on the hill. |

## Which phrase best describes the current in the circuitThe diodes are oppositely oriented, so that when one diode is forward-biased, the other is back-biased. Which phrase best describes the current in the circuit. |

## What horizontal force is needed to hold bag in new positionWhat horizontal force is needed to hold bag in new position |

## What are the magnitude and direction of x and yThe wind blows with a force of 425N north on a sail boat, while the water exerts a force of 325N west on the sailboat. Find out the magnitude and direction of the net external force on the sailboat. |

## How far from the dog will the suitcase landA tank with a volume of 0.150 m contains 27.0 degrees celcius helium gas at a pressure of 100 atm. How various balloons can be blown up if each filled balloon so a sphere 30.0 cm in diameter at 27.0 and absolute pressure of 1.20atm . |

## The incident electron loses energyThe incident electron loses energy The incident electron emits an x-ray. |

## How long did it take the apple to hit newton after fallingHow long did it take the apple to hit Newton after falling off? Draw a graph of velocity vs |

## Defined time necessary for one complete oscillationDefined time necessary for one complete oscillation |

## What magnetic field strength produced by helmholtz coilsWhat magnetic field strength produced by Helmholtz coils |

## An average temperature of the rest of the universeAn average temperature of the rest of the universe |

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