A 6kg sled is traveling across the ice at a speed of 9m/s when a12kg package is dropped into it from above (assume the package falls completely vertically and sticks to the sled). What is the speed of the sled after this “collision”?

An electron traversing a resistor in an electronic circuit : An electron traversing a resistor in an electronic circuit has no more kinetic energy when it exits the resistor than it had when it entered the resistor; however, this electron certainly has lost electrical potential energy. Explain this paradox |

What is the escape speed on a spherical asteroid : What is the escape speed on a spherical asteroid whose radius is 510 km and whose gravitational acceleration at the surface is 3.3 m/s2? How far from the surface will a particle go if it leaves the asteroid's surface with a radial speed of 1000 m/s? .. |

What is the radius of the planet : A 20 kg satellite has a circular orbit with a period of 2.3 h and a radius of 6.5 106 m around a planet of unknown mass. If the magnitude of the gravitational acceleration on the surface of the planet is 7.6 m/s2, what is the radius of the planet? |

Interferometer is used with helium-neon laser of wavelength : A michelson interferometer is used with a helium-neon laser of wavelength 628.8 nm. A glass-walled chamber of interior length 1.005 cm is placed in one of the beams and the position of the mirror is adjusted until bright light is observed at the dete.. |

Package falls completely vertically and sticks to the sled : A 6kg sled is traveling across the ice at a speed of 9m/s when a12kg package is dropped into it from above (assume the package falls completely vertically and sticks to the sled). What is the speed of the sled after this “collision”? |

What is the frequency of rotation and period of the rotation : A 100 gram bead is free to slide a long a piece of 0.8 m long string ABC. the ends of the string are attached to a vertical rod at point A and B, which are o.4m apart. when the rod is rotated, BC is Horizontal and equals to 0.3m. (a) what is the t.. |

What is the final pressure of the gas and final volume : 0.10 mol of argon gas is admitted to an evacuated 50 cm3 container at 20° C. The gas then undergoes isobaric heating to a temperature of 300° C. What is the final pressure of the gas? What is the final volume? |

What is the mass of the copper block : A copper block is removed from a 300° C oven and dropped into 1.00 liter of water at 20° C. The water quickly reaches 25.5° C and stays at that temperature. What is the mass of the copper block? |

A window washer is standing on a scaffold supported : A window washer is standing on a scaffold supported by a vertical rope at each end. The scaffold weighs 204 N and is 3.1 m long. What is the tension in each rope when the 702-N worker stands 2.10 m from one end? |

## Find the direction of the net force that act on the sailboatA 480-kg sailboat has an acceleration of 1.17 m/s2 at an angle of 59.3 ° north of east, find the direction of the net force that acts on the sailboat |

## What is the inductance of your solenoidYou wind a small paper tube uniformly with 173 turns of thin wire to form a solenoid. What is the inductance, in microhenries, of your solenoid |

## How many are essentially lost as waste heatA new electric power plant has an efficiency of 42%. how many are essentially lost as waste heat (in barrels of oil) to the environment |

## Find the current does the waffle iron carrySuppose your waffle iron is rated at 1.20 kW when connected to a 3.00 102 V source. What current does the waffle iron carry |

## Determine the image locationan object is shown next to a lens of focal length 50cm. Given that the image is also shown on the right side of the lens, determine the image location |

## Illustrate what is the hang timeThe punter on a football team tries to kick a football so that it stays in the air for a long "hang time". If the ball is kicked with an initial velocity of 25.0 m/s at an angle of 60.0 degrees above the ground, illustrate what is the "hang time"? |

## What are the magnitude and direction of the vertical forceA block of mass M is held motionless on a frictionless inclined plane by means of a string attached to a vertical wall as shown in the diagram.what is the magnitude of the tension t in string. |

## Find the area of the resulting slickSuppose 2.5 cubic meter of oil is spilled into the ocean. Find the area of the resulting slick, assuming that it is one molecule thick |

## Determine the power dissipated to each bulbLightbulbs with the power ratings giving in the figure are connected in a circuit as shown. Find the power dissipated to each bulb |

## Q1 an object hangs from a spring balance the balanceq1. an object hangs from a spring balance. the balance indicates 40 n in air and 30 n when the object is submerged in |

## Elucidate the maximum emf across the primary coilA step-down transformer has 16,000 turns on the primary and 95 turns on the secondary. If the rms emf across the secondary coil is 120 V, Elucidate the maximum emf across the primary coil? |

## Find the magnitude of the magnetic flux through the ringA 5.3×10^?2-T magnetic field passes through a circular ring of radius 3.5cm at an angle of 14 degrees with the normal. Find the magnitude of the magnetic flux through the ring |

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