A cylinder with a cross-sectional area of 9.8 cm2 is fitted with a movable piston. Air is introduced into the cylinder at atmospheric pressure and a temperature of 20 oC. The temperature is held constant as the volume is compressed to half its initial volume. How much force must be applied to the piston to maintain it in its new position?

Find the original speed of the son : A father racing his son has three-fifths the kinetic energy of the son, who has half the mass of the father. What is the original speed of the son |

How many kilograms of water are put on the fire : A fire truck attaches two fire hoses to a hydrant to fight a fire. each hose has a diameter of 20 cm. How many kilograms of water are put on the fire in 30 minutes |

Explain enthalpy and entropy are not temperature dependent : Above what temperature, in °C, will the following reaction become spontaneous? Assume free energy, enthalpy, and entropy are not temperature dependent. |

By what factor does the stored energy change : A capacitor consists of two concentric conducting spherical shells with radii R1 and R2 = 4.0R1. It has capacitance C = 4.0 pF, and is charged to a potential difference of 60.0 V. by what factor does the stored energy change |

How much force must be applied to the piston : A cylinder with a cross-sectional area of 9.8 cm2 is fitted with a movable piston. How much force must be applied to the piston to maintain it in its new position |

What will be the vertical position of the boat : In the deep ocean, a water wave with wavelength 95 m travels at 12 m/s. What will be the vertical position of the boat 5.0 s later |

Describe a lewis dot structure for the molecule : Why is it difficult to construct a Lewis Dot structure for the molecule NO? What kind of molecule is this |

Find the maximum value of the magnetic field component : In a plane radio wave the maximum value of the electric field component is 5.17 V/m. Calculate the maximum value of the magnetic field component |

Describe the mixture is stirred until the ph levels off : A 0.00400 mole sample of 2-chloro-2-methylpropane is added to 500 mL of water, and the mixture is stirred until the pH levels off. What is the pH of the solution. |

## How much heat must be supplied to the waterA pot containing1.00 liter of water, initially at 20.08C, is placed on a 1000 W electric heating element. How much heat must be supplied to the water to bring it to a boil |

## Determine what is the mirrors focal lengthAn golf ball sits on the optical axis of a spherical mirror at a distance of 17 cm. A virtual image is formed a distance of 6 cm away from the mirror. What is the mirror's focal length (include sign if negative) |

## What is the coefficient of kinetic friction between the tireUsing the data calculate the average speed of blood flow in the major arteries of the body which have a total cross-sectional area of about 2.0 cm2. |

## Compute how much work is done by the force on the coinA coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates, How much work is done by the force on the coin during the displacement |

## Write the lenght of the curveA simple pendulum is made from a L long string and a small ball, mass=m, attached to its free end, Write the lenght of the curve s(t) and specify the time period for small oscillations |

## Compute the volume rate of flowA 7.9cm diameter horizontal pipe gradually narrows to 5.3cm . When water flows through this pipe at a certain rate, compute the volume rate of flow |

## What is the spatial length of the pulseA laser pulse has an energy of 25 J and a beam radius of 2 mm. The pulse duration is 6 ns and the energy density is constant within the pulse. What is the spatial length of the pulse |

## How fast is the meteor moving with respect to earthA woman on a rocket traveling at 0.82c (with respect to Earth) observes a meteor come from in front of her and pass her at 0.85c |

## At what angle must the gun be aimed so the targetA rocket blasts off vertically from rest on the launch pad with an upward acceleration of 2.30. At 10.0 after blastoff, the engines suddenly fail, which means that force they produce instantly stops. |

## A proton is initially at rest at a pointA hiker's trip consists of three segments. Path A is 8.0 km long heading 60degrees north of east. Path B is 7.0km long in a direction due east. Path C is 4.0 km long heading 315 degrees counter clockwise from east. |

## Obtain the diameter of the wireSuppose that you wish to fabricate a uniform wire out of 0.850 g of copper. Assume the wire has a resistance R = 0.800 ?, What will be the diameter of the wire |

## Describe the magnitude of the centripetal force that actsThe skater farthest out has a mass of 80.0 kg and is 6.40 m from the pivot. He is skating at a speed of 6.50 m/s. Describe the magnitude of the centripetal force that acts on him. |

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd