Q. A 1000 steel beam is supported by the two ropes shown in the figure. Each rope can support a maximum sustained tension of 5600 . Do the ropes break? They are at an angle of 30 degrees.

Q. Children in a tree house lift a small dog in a basket 4.60 m up to their house. If it takes 211 J of work to do this, what is the combined mass of the dog and basket?

Calculate g for space shuttle territory : Calculate g for space shuttle territory. A 7.0×10-2-{rm kg} toy airplane is tied to the ceiling with a string. When the airplane's motor is started, it moves with the constant speed of 1.30 m/s in a horizontal circle of radius 0.47 m. |

Suppliers and forecasting : Evaluate a 5-year weighted moving average to forecast the number of mergers for 2012 and use weights of 0.10, 0.15, 0.20, 0.25, and 0.30, with the most recent year weighted being the largest. |

Explain how would you describe this industry : Industry structure is often measured by computing the Four-Firm Concentration Ratio. Suppose you have an industry with 20 firms and the CR is 30. Explain how would you describe this industry. |

Statistical tests-use in a psychology problem : They asked 80 college students to fill out a survey indicating their attitudes on a wide variety of topics. Sometime later they were shown the attitudes of a "stranger" responding to the same questions the participants had answered earlier. |

What is the combined mass of the dog and basket : what is the combined mass of the dog and basket. |

Compute the selling price of bonds : The LOGOS Company is planning on issuing bonds that pay no interest but can be converted into $1,000 at maturity, seven years from their purchase. |

Compute the resulting change in consumption expenditure : Before output has had time to adjust, by how much is disposable income reduced. Compute the resulting change in consumption expenditure. |

Performance measurement and program evaluation : Is performance measurement more critical in the public sector than the private sector and why |

Explain organizational design skills are critical to career : Explain Organizational design skills are critical to career success however total organizational design or redesign typically is not put in the hands of newly hired managers |

## What is the magnitude of an average acceleration of the ballWhat is the magnitude of an average acceleration of the ball |

## Find the location of the image produced by the mirrorTwo charges q1 = 1.1 10-8 C and q2 = -4.8q1 are placed 50 cm apart. Find the point along the straight line passing by the two charges at which the electric field is zero, as measured from q1. |

## How far does the projectile land from the base of cliffA block M1 of mass 16.50 kg sits on top of a larger block M2 of mass 26.50 kg which sits on a flat surface. The kinetic friction coefficient between upper and lower block is 0.405. The kinetic friction coefficient between the lower block and the f.. |

## What fraction of the initial kinetic energy was transferredWhat fraction of the initial kinetic energy was transferred |

## What is the magnitude of the train''s angular accelerationIf a car travelling at 52 km/h will skid 18 m when its brakes lock, how far-off will it skid if it is travelling at 120 km/h when its brakes lock. |

## What should be the least kinetic energy in electron voltsWhat should be the least kinetic energy in electron volts |

## What is the acceleration experienced by the tipA thin metallic shell of radius 40 cm has a charge of -25 nC on it. At the center of sphere is a point charge of 35 nC. What is the electric field 15 cm from the center of the shell. |

## What is the amplitude of the oscillationAn air-track glider is attached to a spring. The glider is pulled to the right and released from rest at. It then oscillates with a period of 1.5 and the maximum speed of 32. |

## What volume the hydrogen occupyFind out the height from which you would have to drop a ball so that it would have a speed of 9.7 m/s just before it hits the ground. |

## What is the angle between direction of the electric fieldThe windshield of a speeding car hits a hovering insect. Consider the time interval from just before the car hits the insect to just after the impact. Which of the following are right. |

## What is the wind velocityWith what force F should she pull down on the rope to accelerate herself and platform upward at a rate of 0.77 m/s2. |

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