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 by a bullet, which stops inside the block. The velocity of the bullet immediately before it strikes the block is 47 m/s and the mass of the bullet is 3.49 g. If the simple harmonic motion after the collision is described by x = B sin(? t + ?), what is the new amplitude B? Answer in units of m The collision occurred at the equilibrium position. How long will it take for the block to reach maximum amplitude after the collision? Answer in units of s

Find head flux and temperature distribution-thickness window : A classroom window made of glass is 1cm thick. The window is 2m square . If the thermal conductivity of glass k = 0.96 w/(mK) and the temperature is 21C inside and 32C outside, find the head flux and the temperature distribution along the thicknes.. |

Kinetic energy of system conserved when two objects collide : Is kinetic energy of a system conserved when two objects collide and stick together? What about the momentum of the system? What kind of collision is this (elastic or inelastic )? |

A proton with an initial velocity : A proton with an initial velocity of (1.0x + 2.0y + 3.0z) x10^5 m/s enters a magnetic field of 0.50z T. Find the magnitude of the force on the proton. The mass of the proton is 1.67x10^-27 kg. The answer is 1.8x10^-14 N I think the equation you shoul.. |

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.. |

## Two forces are applied to a tree stump to pullTwo forces are applied to a tree stump to pull it out of the ground. Force A has a magnitude of 2160 newtons and points 33.0° south of east, while force B has a magnitude of 3160 newtons and points due south. Using the component method, find directio.. |

## Calculate the change in internal energy of the airThe air inside a bicycle tire pump has 172 joules of work done on it as 64.8 joules of heat is conducted away from it |

## Determine the mass defect in atomic mass unitsFor lead 82Pb207 (atomic mass = 206.975880 u) obtain the mass defect in atomic mass units, |

## Find an expression for the acceleration of the objectA displacement, s, of an object as a function of time, t, is given by , Find an expression for the acceleration of the object |

## What is the spacing between the slitsLight from a helium-neon laser (?=633nm) is used to illuminate two narrow slits. What is the spacing (in mm) between the slits |

## Determine the buoyant force on the chamberAn undersea research chamber is spherical with an external diameter of 3.90m . The mass of the chamber, when occupied, is 30800kg. What is the buoyant force on the chamber |

## Find will the diver sink or floatA scuba diver and her gear displace a volume of 65 L and have a total mass of 68 kg. Will the diver sink or float |

## What is the direction of daves displacementDave needs to get groceries from the store, which is a distance of D=2.8km east of his house, What is the direction of Dave's displacement for the entire trip |

## How far has the bag fallenA helicopter is rising at 4.60 m/s when a bag of its cargo is dropped. The bag falls for 2.50 s. (suppose that the positive direction is upward.) |

## Find the maximum charge on the capacitorConsider a resistor series RC circuit with a 6.7 µF, capacitor, a 4.5 × 10^6? resistor and 38 V emf. Find the maximum charge on the capacitor |

## Find the electric field at a point midway between two chargeTwo point charges are separated by 10.0 cm and have charges of +2.00 uC, What is the electric field at a point midway between the two charges |

## Estimate the mass of the crateYou see the boy next door trying to push a crate down the sidewalk. He can barely keep it moving, and his feet occasionally slip. Estimate the mass of the crate |

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