You have two small 2.0- balls that have been given equal but opposite charges, but you don't know the magnitude of the charge. To find out, you place the balls a distance apart on a slippery horizontal surface, release them, and use a motion detector to measure the initial acceleration of one of the balls toward the other. After repeating this for several different separation distances, your data are as follows: Distance, Acceleration, 2.0 0.74 3.0 0.30 4.0 0.19 5.0 0.10 You want to determine the magnitude of the charge by graphing the data. Select the appropriate variables to graph on each axis that will produce a straight-line graph with either a slope or intercept that will allow you to determine the charge. Sort all variables into the appropriate bins. 1/r r^2 1/r^2 a r (it has to move to down which is correct) horizontal axis vertical axis not used.

Explain confidence interval : Explain why a confidence interval for a predictor coefficient is equivalent to a 2-tailed test of significance? |

How critical thinking utilized to recognize cause of problem : Write down 1250-1750 word paper describing how critical thinking is used to recognize causes of problems or issues for this population. Focus on. |

What is the radius of the circle : At t1 = 5.00 s, the acceleration of a particle moving at constant speed in counterclockwise circular motion is a1=(2m/s^2)i + (9m/s^2)j At t2 = 6.00 s (less than one period later), the acceleration is a2= (9m/s^2)i - (2m/s^2)j The period is more t.. |

Normal distribution and confidence intervals : State the main points of the Central Limit Theorem for a mean. Why is population shape of concern when estimating a mean? What does sample size have to do with it?" |

Select the appropriate variables to graph on each axis : You have two small 2.0- balls that have been given equal but opposite charges, but you don't know the magnitude of the charge. To find out, you place the balls a distance apart on a slippery horizontal surface, release them, and use a motion detec.. |

Solving linear program using the decomposition principle : Solve the following linear program using the decomposition principle: minimize z = ?2x1 ? 5x2 subject to x1 + 2x2 = 13.5 x1 + 3x2 = 18.0 x1 ? 9 x2 ? 5 x1, x2 ? 0. |

Determining confidence interval-test of hypothesis : In an article in the Journal of Management, Morris, Avila and Allen studied innovation by surveying firms to find the number of new products introduced by the firms. |

Finding initial basic feasible solution : Consider the cutting stock problem that arises when a company manufactures sheets of standard width 100 and has commitments to supply 40 sections of width 40, 60 sections of width 24, and 80 sections of width 18. |

Compute cutting and saving time by scheduling overtime : Additional cutting and saving time can be obtained by scheduling overtime for this operations. Each hour of overtime for cutting operation increases hourly cost $15 and each hour of overtime for sewing operation. |

## What is the magnitude of the earth gravitational fieldThe International Space Station ISS (the mass is approximately 990,000 pounds) orbits the earth at an altitude of approximately 250 miles above the surface of the earth. |

## What is the speed of lillian and her dog after the catchA projectile is fired at an upward angle of 45° from the top of a 212 m cliff with a speed of 161 m/s. What would be its speed while it strikes the ground below. |

## Calculate the acceleration of the crateOld naval ships fired 14 kg cannon balls from a 250 kg cannon. It was very important to stop the recoil of the cannon, since otherwise heavy cannon would go careening across the deck of the ship. In one design, a large spring with spring constant 2.. |

## Imagine that plane reaches the necessary takeoff velocityImagine that plane reaches the necessary takeoff velocity |

## Assuming she starts from rest and acceleratesA baseball player runs 27.4meters from the batter's box to first base,overruns first base by 3.0 meters,and then returns to first base. Compared to total distance traveled by the player,the magnitude of the players total displacement from the batt.. |

## What is the electric potential between the two terminalsWhat is the electric potential between the two terminals. A capacitor is formed by placing a 20 cm long charge carrier charged to +10nC placed 5cm away from and parallel to a 20 cm long charge carrier charged to -10 nC. Find the electric field at 1.. |

## Find the area of contact between each tire and the groundA person who weighs 680 N is riding a 98-N mountain bike. Suppose the entire weight of the rider and bike is supported equally by the two tires. If the gauge pressure in each tire is 6.45 105 Pa, what is the area of contact between each tire and the .. |

## Establish the net force and mass of the carAn archer shoots an arrow horizontally at a target 17m away. The arrow is aimed straight at the center of the target, but it hits 59cm lower. |

## Calculating the temperature of earth''s atmosphereTwo parallel rods are each 0.50 m in length. They are attached at their centers to either end of the spring (spring constant = 150 N/m) that is initially neither stretched nor compressed. |

## What force is exerted by the water on the window(a) compute the absolute pressure at the bottom of a freshwater lake at a point whose depth is 25.5 m. assume the density of the water is 1.00 x10^3 kg/m3 and the air above is at the pressure of 101.3 kPa. |

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