An 80 kg hockey player is gliding down the ice with a velocity of 7.5 m/s in +ve x directon.he is hit by a defensive player of mass 105 kg ans an initial velocity of 4.5m/s in -ve y direction.if the players experience a completely inelastic collision, what are the x n y component of their final velocity?

What is the magnitude of the centripetal acceleration : A discus thrower (with arm length of 1.2 m) starts from rest and begins to rotate counterclockwise with an angular acceleration of 1.8 rad/s2. (a) How long does it take the discus thrower's speed to get to 3.5 rad/s? |

Calculate the change in electric potential energy of system : Two particles each with charge +1.86 µC are located on the x axis. One is at x = 1.00 m, and the other is at x = ?1.00 m. (a) Determine the electric potential on the y axis at y = 0.320 m. .... kV (b) Calculate the change in electric potential energy.. |

Compare the probabilities for an oscillating particle : Compare the probabilities for an oscillating particle in its ground state to be found in a small interval of width dx at the center of the well and at the classical turning points. |

Friction between cannon and the ground : A cannon with a mass of 115 kg shoots a cannonball with a mass of 8 kg. If the speed of the cannon ball as it leaves the cannon is 185 m/s,what is the speed of the cannon at that time??(assume cannon is initially at rest,not fastened down in any way,.. |

What are the x n y component of their final velocity : An 80 kg hockey player is gliding down the ice with a velocity of 7.5 m/s in +ve x directon.he is hit by a defensive player of mass 105 kg ans an initial velocity of 4.5m/s in -ve y direction.if the players experience a completely inelastic collision.. |

Diffraction grating-what angle will second order peak occur : A diffraction grating with 300 lines per mm is used in an experiment to study the visible spectrum of a gas discharge tube. At what angle from the beam axis will the first order peak occur if the tube emits light with wavelength of 500.7 nm? At what .. |

What is the minimum thickness of coating : What is the minimum thickness of coating which should be placed on a lens in order to minimize reflection of 646 nm light? The index of refraction of the coating material is 1.32 and the index of the glass is 1.57. |

Calculate the distance between the two slits : Two narrow slits are illuminated by a laser with a wavelength of 537 nm. The interference pattern on a screen located x = 5.50 m away shows that the second-order bright fringe is located y = 6.00 cm away from the central bright fringe. Calculate the .. |

How far does the putty-block system compress the spring : A 0.413 kg block is attached to a horizontal spring that is at its equilibrium length, and whose force constant is 24.6 N/m. The block rests on a frictionless surface. A 0.0500 kg wad of putty is thrown horizontally at the block, hitting it with an i.. |

## Find what angle does the force points horizontallyYou support one end of a stick of mass M and length L with the tip of your finger. what angle does the force points horizontally |

## Determine the buoyant force exerted on it by the airAn empty storage tank has a volume of 135 ft3. What is the buoyant force exerted on it by the air |

## What is the absolute potential at the squares centerthe absolute portential at the exact center of a square is 3.0v when a charge of +Q is located at one of the squares corners. What is the absolute potential at the squares center |

## Find the fraction of ball initial kinetic energyA ball of mass 0.40 kg is fired with velocity 140 m/s into the barrel of a spring gun of mass 2.1 kg initially at rest on a frictionless surface. What fraction of the ball's initial kinetic energy is stored in the spring |

## Compute the electric field inside the dielectricA parallel plate capacitor is connected to a battery. The space between the plates is filled with air. Find the electric field inside the dielectric |

## Find the magnitude of the angular momentum of each objectEach of the following objects has a radius of 0.188 m and a mass of 2.71 kg, Find the magnitude of the angular momentum of each object |

## Discuss the rules for your state lottery such as 60 ballsexplain the rules for your state lottery such as 60 balls total with 5 balls picked each drawing. use combinations to |

## Determine the work done by gravityAn 80.0 kg painter climbs a 2.45 m ladder that is at an angle of 25 degrees with a vertical wall. What is the work done by gravity as the painter climbs the ladder |

## What is the angular acceleration of the systemA mass hung on a string that is wrapped around an axle on a wheel produces a tension in the string of 5.65 N. The axle has a radius of 0.045 m. What is the angular acceleration of the system |

## Determine the work done by the electric forceA point charge q = +37.0 µC moves from A to B separated by a distance d = 0.178 m in the presence of an external electric field, Find the work done by the electric force |

## Determine the pressure inside the cylinderA gas is contained in a vertical, frictionless piston-cylinder device. The piston has a mass of 4 kg and a cross-sectional area of 40 cm2. Determine the pressure inside the cylinder |

## Q1 calculate the threshold wavelength in nm of a metal ifq1. calculate the threshold wavelength in nm of a metal if that metal emits an electron with a kinetic energy of 6.32 |

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