At a dock, a crane lifts a 1200 kg container 30 m, swings it out over the deck of a frieghter, and lowers the container into the hold of the freighter, which is 10 m below the level of the dock. The acceleration of gravity is 9.8 m/s2. Neglect friction losses. How much work is done by the crane on the container? Answer in units of kJ.

Increase and decrease of r-squared : In a regression analysis, if a new independent variable is added and R-squared increases and adjusted R-squared decreases precipitously, what can be concluded? |

Compute expected value for the build new plant option : Howard Weiss, Inc., is considering building a sensitive new airport scanning device.His managers believe that there is a probability of 0.35 that the ATR Co. will come out with a competitive product. |

Illustrate what is the forecasted addition to retained : The company plans to pay out 50 percent of its net income as dividends, the other 50 percent will be additions to retained earnings. Illustrate what is the forecasted addition to retained earnings for 2010? |

Explain how does zara add value for the customer : Does Zara experience disadvantages from its "fast-fashion" distribution system? Are these disadvantages offset by the advantages? Explain how does Zara add value for the customer through major logistics functions? |

How much work is done by the crane on the container : At a dock, a crane lifts a 1200 kg container 30 m, swings it out over the deck of a frieghter, and lowers the container into the hold of the freighter, which is 10 m below the level of the dock. The acceleration of gravity is 9.8 m/s2. Neglect fri.. |

Find the magnitude and direction of the force on a proton : A 5.4-µC point charge is located at x = 0.9 m, y = 3.3 m, and a -3.9-µC point charge is located at x = 1.9 m, y = -1.9 m. (a) Find the magnitude and direction of the electric field at x = -3.2 m, y = 0.9 m.' (b) Find the magnitude and direction of.. |

Determine the capacity implications of marketing campaign : Suppose that AlwaysRain Irrigations marketing department will undertake an intense ad campaign for the bronze sprinklers, which are more expensive but also more durable than the plastic ones. |

Explain the organization planning system : Explain the organization planning system. Was it effective? Explain. Illustrate what might the managers of the organization have done to ensure better planning? No word limit. |

What is the height y of the ball : At a certain instant a ball passes location m. In the next 4 seconds, the ball's average velocity is m/s. At the end of this 4 second time interval, what is the height y of the ball? |

## What is magnitude and direction of electric field on x axisTwo equal positive charges of magnitude q1 = q2 = 6 nC are on the y axis at y1 = +3 cm and y2 = -3 cm. (a) What is the magnitude and direction of the electric field on the x axis at x = 6 cm? b) What is the force exerted on a third charge q0 = 4 n.. |

## What are the magnitudes of the components of the shipsAn ocean liner leaves New York City and travels 43° north of east for 189 km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship's displacement vector in the directions. |

## What is the displacement of car from the point of originA motorist travelling at 17m/s encounters a deer in the road 49m ahead. If the maximum acceleration the vehicle's brakes are capable of is -7 m/s2. If his or her reaction time is 1.9987 s, how fast will (s) he be travelling when (s) he reaches dee.. |

## What is the mass of the silverThree astronauts, propelled by jet backpacks, push and guide a 115 kg asteroid toward the processing dock, exerting the forces, with F1 = 34 N, F2 = 57 N, F3 = 41 N, θ1 = 30°, and θ3 = 60° |

## How much kinetic energy each electron havehow much kinetic energy does each electron have. Blocks of mass m_1 and m_2 are connected by a massless string that passes over the pulley. |

## What is the speed of the electronWhat least horsepower must a motor have to be able to drag a 320 box along a level floor at a speed of 1.10 if the coefficient of friction is 0.50. |

## At what coordinate on the x axis is the electric fieldTwo particles are fixed to an x axis: particle 1 of charge q1 = 1.86 x 10-8 C at x = 27cm and particle 2 of charge q2 = -3.63q1 at x = 77.7cm. At what coordinate on the x axis is the electric field produced by particles equal to zero. |

## Which equations for the speed v0 is reasonableWhat is the frequency of ultrasound in a medium if he wave length is 3.0 x 10^-3 m and velocity is 1300 mm/ms. |

## How much higher would the ball have gone in a vacuumHow much higher would the ball have gone in a vacuum. The time constant of an RC circuit is 4.8 s. How much time t is needed for the capacitor (uncharged initially) to gain one-half of its full equilibrium charge. |

## What is the maximum energy solar panel collectA string of mass 0.0003kg/m and 0.5m long is vibrating 200 cycles per second. What must be the tension? What hanging mass would generate this tension? I got 12N for tension. Is this correct? And how would you solve for hanging mass. |

## What are direction and magnitude of total velocityWhat are direction and magnitude of total velocity |

## At what rate does the mass of the candiesIf the height of the candies in the container increases at the rate of 0.26 cm/s, at what rate (kilograms per minute) does the mass of the candies in the container increase? |

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