A ball with radius r1 and mass m1 is attached by a rod of length L to a second ball with radius r2 and mass m2. Suppose the rod is uniform with mass m.

Where is the system's center of gravity?

How much work did the child do on the merry-go-round : A playground merry-go-round has radius 2.10 m and moment of inertia 2000 kg · m2 about a vertical axle through its center, How much work did the child do on the merry-go-round |

What is the velocity of the 250g mass after the collision : A 600g mass is traveling west (positive x-axis) at 8.0 m/s undergoes an inelastic collision with a stationary 250g mass. If the 600g mass travels at an angle of 40 (o) above the x-axis and with a speed of 3 m/s |

Prepare the journal entry to reflect the accounting : Complete the pension work sheet for 2013. Indicate (credit) entries by parentheses. Calculated amounts should be supported - Prepare the journal entry to reflect the accounting for the company's pension plan for the year ending December 31, 2013. |

Write a brief review of the literature : Write a Brief Review of the Literature. Be sure to include the five studies from the Week 6 assignment and all relevant sources from your previous course work. |

Where is the systems center of gravity : A ball with radius r1 and mass m1 is attached by a rod of length L to a second ball with radius r2 and mass m2. Where is the system's center of gravity |

Determine what is the magnitude of the balls velocity : A ball is thrown from the roof of a 22m tall building with an initial velocity of magnitude 12 m/s and directed 53.1 (o) above the horizontal. What is the magnitude of the ball's velocity just before it hit the ground |

Find the temperature change of the water in each container : Model the electromagnetic wave in a microwave oven as a plane traveling wave moving to the left, with an intensity of 26.3 kW/m2. An oven contains two cubical containers of small mass, each full of water. |

What inductance should be present in the circuit : An RLC circuit is used to tune a radio to an FM radio station broadcasting at 35.9 MHz. What inductance should be present in the circuit |

What is a hypothesis test : What is a hypothesis test? Why do we need to use them to make decisions about relating sample results to the population; why can't we just make our decisions by the sample value? |

## What is the final charge on each sphereThree identical metal spheres are charged so that sphere A has a charge of 220 ?C, sphere B has a charge of -370 ?C, What is the final charge on each sphere |

## Determine the values of the two resistorsWhen two unknown resistors are connected in series with a battery, the battery delivers 235 W and carries a total current of 5.00 A. Determine the values of the two resistors |

## Calculate the distance from earth to the moonConversations with astronauts on the lunar surface were characterized by a kind of echo in which the earthbound person's voice was so loud in the astronaut's space helmet, Calculate the distance from Earth to the Moon |

## What is the gravitational potiential energyIn order better to map the surface features of the Moon, a 305-kg imaging satellite is put into circular orbit around the Moon at an altitude of 1.21 × 102 km. What is the Gravitational Potiential Energy |

## What is the initial acceleration of the masstwo 1.3kg masses are 1.2m apart (center to center) on a frictionless table. Each has + 9.2?Cof charge, What is the magnitude of the electric force on one of the masses |

## Find the magnitude of ftApproximation the force a person should exert on a string attached to a 0.130 kg ball to make the ball revolve in a horizontal circle of radius 0.600 m. |

## Calculate the resistance of the arterioleAn arteriole has a length of 1.25 mm and a radius of 21.9 ?m. The blood pressure drop along the arteriole is 1310 Pa. Calculate the resistance of the arteriole |

## What are the distances to each star in parsecsConsider two stars, A and B, whose parallaxes are, respectively: 0.01 arcsec and 0.005 arcsec. What are the distances to each star in parsecs |

## Illustrates the difference between acceleration and velocityIllustrates the difference between acceleration and velocity |

## Find the magnitude of the work done by the force of frictionA 16.8 kg block is dragged over a rough, horizontal surface by a constant force of 123 N acting at an angle of angle 34.9 above the horizontal. Find the magnitude of the work done by the force of friction |

## Find the acceleration of the center of mass of the ballA basketball rolls without slipping down an incline of angle?. The coefficient of static friction is?s. Model the ball as a thin spherical shell. Find the acceleration of the center of mass of the ball |

## What is the spring maximum compressionA 0.200-kg block along a horizontal track has a speed of 1.80m/s at once before colliding with a light spring of force constant 44.2 N/m located at the end of the track. |

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