Ball 1, with a mass of 150g and traveling at 10.0m/s , collides head on with ball 2, which has a mass of 300g and is initially at rest. What are the final velocities of each ball if the collision is perfectly elastic? What are the final velocities of each ball if the collision is perfectly inelastic?

Estimate where is the image formed : An object 3.25 cm high is placed 18.7 cm in front of a convex mirror with radius of curvature of 8.35 cm. Where is the image formed |

What is the x-component of the net torque on the disk : A uniform disk with mass m = 9.09 kg and radius R = 1.37 m lies in the x-y plane and centered at the origin. Three forces act in the +y-direction on the disk: 1) a force 317 N at the edge of the disk on the +x-axis, 2) a force 317 N at the edge of.. |

Evaluate how much work is done by the rope on the sledge : A sledge loaded with bricks has a total mass of 18.1 kg and is pulled at constant speed by a rope inclined at 20.8° above the horizontal. What is the mechanical energy lost due to friction |

Explain the concentration of the highlighted molecule : In the following buffer system, what happens to the concentration of the highlighted molecule if you add base in the form of OH-. HF + NaF + H2O F- + H3O+ + Na+ |

Velocities of each ball if collision is perfectly inelastic : Ball 1, with a mass of 150g and traveling at 10.0m/s , collides head on with ball 2, which has a mass of 300g and is initially at rest. What are the final velocities of each ball if the collision is perfectly elastic? What are the final velocities of.. |

How many gallons of water have the same mass as this bar : A bar of gold measures 0.268 m x 0.0204 m x 0.0583 m. How many gallons of water have the same mass as this bar |

Explain what mass of gold is produced of current : What mass of gold is produced when 7.00 A of current are passed through a gold solution for 49.0 min |

Explain what is the ratio of the number of molecules : What is the ratio of the number of molecules having twice the most probable speed to the number having the most probable speed |

Calculate how many kilograms of ice in the tub : A Carnot engine uses a hot reservoir consisting of a large amount of boiling water and a cold reservoir consisting of a large tub of ice and water. how many kilograms of ice in the tub |

## Find the next-to-the-longest wavelength in series of linesA certain species of ionized atoms produces an emission line spectrum according to the Bohr model, but the number of protons Z in the nucleus is unknown. A group of lines in the spectrum forms a series in which the shortest wavelength is 10.13nm and .. |

## Determine the rotational kinetic energy of the ballA uniform ball with a mass of 125 is rolling without slipping along the horizontal surface of a table with a speed of 4.5 m/s, What is the rotational kinetic energy of the ball |

## The density of free electrons in goldThe density of free electrons in gold is 5.90 × 1028 m-3. The resistivity of gold is at a temperature of 20°C and the temperature coefficient of resistivity is A gold wire, 1.1 mm in diameter and 29 cm long, carries a current of 650 mA. The drift .. |

## Determine the power delivered to the circuitA 2560 - ? resistor and a 1.9 - ?F capacitor are connected in series across a generator (60.0 Hz, 120 V). Determine the power delivered to the circuit |

## Find the electric flux through one face of the cubeA 4.6muC charge is at the center of a cube 6.5 cm on each side. What is the electric flux through one face of the cube |

## Determine how much work did the carpenter doA carpenter carries his 8kg toolbox at constant speed up 2 flights of stairs, each 3m high, in one minute. How much work did the carpenter do in carrying the toolbox up 2 flights |

## Find the mass and radius of the dropA charged oil droplet falls 5.0 mm in 20.0 s at terminal speed in the absence of an electric field. What are the mass and radius of the drop |

## Instructions for nding a buried treasure include theinstructions for ?nding a buried treasure include the following go 304.2 paces at 209? turn to 183? and walk 275 paces |

## What is the average force exerted by the mattressesA 75.0 kg stunt man jumps from a balcony and falls 26.5 m before colliding with a pile of mattresses. what is the average force exerted by the mattresses on the stuntman |

## Calculate the initial temperature of the hot horseshoeA hot iron horseshoe (mass = 0.470 kg), just forged, is dropped into 1.44 L of water in a 0.340 kg iron pot initially at 19.1°C. calculate the initial temperature of the hot horseshoe |

## Compute how much later does it hit the grounda football is kicked at ground level with a speed of 18m/s at angle of 35 to the horizontal. How much later does it hit the ground |

## Estimate the root mean squared displacement of ribosomeThe eukaryotic ribsome is an extremely large macromolecular complex that may be 25 nanometers in diameter or larger. Estimate the diffusion constant of a ribosome in m2/sec and Picometers2/sec. |

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