How much energy can be stored in a capacitor with two parallel plates, each with an area of 64.0 cm2 and separated by a gap of 1.7 mm, filled with porcelain whose dielectric constant is 5.9, and holding equal and opposite charges of magnitude 370. ?C

Sliding on a rough horizontal surface : The mass m = 1.02 kg is sliding on a rough horizontal surface. A force F = 8.41 N is applied at an angle of 36.4 degrees. Compute the acceleration a (in m/s2) of the mass on the surface if the coefficient of kinetic friction is 0.112. Use g = 9.8 m/s.. |

Block to reach maximum amplitude after the collision : A block of mass 0.1 kg is attached to a spring of spring constant 11 N/m on a frictionless track. The block moves in simple harmonic motion with amplitude 0.13 m. While passing through the equilibrium point from left to right, the block is struck .. |

Typical number of heating degree days : Let us assume that the winter consists of 150 days in which the outside temperature is 0C. This will give the typical number of "heating degree days" observed in a winter along the northeastern US seaboard. |

Water with mass-what is the final temperature of the mixture : Water with a mass of 0.500 at 15.0 is mixed with 0.800 of water at 35.0. What is the final temperature of the mixture? Express your answer in degrees Celsius. Suppose that in an insulated container, 0.100 of water at 20.0 is mixed with 1.500 of ic.. |

Energy can be stored in capacitor with two parallel plates : How much energy can be stored in a capacitor with two parallel plates, each with an area of 64.0 cm2 and separated by a gap of 1.7 mm, filled with porcelain whose dielectric constant is 5.9, and holding equal and opposite charges of magnitude 370. ?C |

Roller-coaster car may be represented by block of mass : A roller-coaster car may be represented by a block of mass 50.0kg . The car is released from rest at a height h = 57.0m above the ground and slides along a frictionless track. The car encounters a loop of radius R = 19.0m at ground level, as shown.. |

Find the radius of the star rigel and the bright blue star : Find the radius of the star Rigel, the bright blue star in the constellation Orion that radiates energy at a rate of 2.7*10^32W and has a surface temperature of 11,000K . Assume that the star is spherical. Use 5.67*10^-8W/m^2*K^4 for the Stefan-Bo.. |

Constant temperature difference and consider conduction only : A large window measures 1.8m by 3.2m . At what rate will heat be conducted through the window when the room temperature is 27C and the outside temperature is 0C if the window consists of a single pane of glass 4.4mm thick. (Assume that there is a con.. |

A steel cylinder of radius : A steel cylinder of radius 5.0cm and length 5.0cm is placed in end-to-end thermal contact with a copper cylinder of the same dimensions. If the free ends of the two cylinders are maintained at constant temperatures of 85 C (steel) and 23 C (copper), .. |

## What minimum power is needed to drive the moving beltA Van de Graa? generator has a potential di?erence of 2.35 MV between the belt and the outer shell. What minimum power is needed to drive the moving belt |

## Compute the moment of inertia of the pulleyA textbook of mass 1.96 kg rests on a frictionless, horizontal surface. What is the moment of inertia of the pulley about its rotation axis |

## Determine the minimum distance from the wallOne end of a uniform rod of length 4L and weight Fg is supported by a cable. Determine the minimum distance, x from the wall, at which an additional object of weight Fg can be hung without causing the rod to slip |

## What is the vertical deflection of the positronsA horizontal beam of positrons initially moving at 3.3 107 m/s is deflected vertically by the vertical electric field between oppositely charged parallel |

## Question1a gun shoots bullets that leave the muzzle with aquestion1a gun shoots bullets that leave the muzzle with a speed of 239. if a bullet is to hit a target 111 away at the |

## Find the distance d which locates the pointA physics student in a hot air balloon ascends vertically at constant speed. suppose the following four forces that arise in this situation. |

## What is the period of the swellYou are sitting in a stationary boat and your friend is sitting in another boat nearby. Ocean swells (long waves) are passing by. What is the period of the swell |

## Find total electric flux passing through surface of cubeA charge of 15.0 uC is plaed at the center of a cube. Each side of the cube has an area of 4.50 cm^2 calculate The total electric flux passing through the surface of the cube |

## Find the magnitude of the electric field in the spaceConsider a pair of charged parallel plates, each having an area of 5cm^2. what is the magnitude of the electric field in the space |

## What is an average acceleration of canoeTwo joggers run at a constant velocity of 7.5 m/s toward the east. At time t=0, one is 15m east of the origin and te other is 15m west. |

## How fast can a car go around skidding outThe coeficient of friction on a horizontal cicular track, radius 0.25 km, is 0.7. How fast can a car go around skidding out |

## Find the average power supplied by the childA playground merry-go-round has radius 2.50mand moment of inertia 2800kg?m2 about a vertical axle through its center, What is the average power supplied by the child |

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