Q1. A plate carries a charge of -3.9 µC, while a rod carries a charge of +2.2 µC. How many electrons should be transferred from the plate to the rod, so that both objects have the same charge?

Q2. A 200 g trick baseball is thrown at 78 km/h. It explodes in flight into two pieces, with a 74 g piece continuing straight ahead at 90 km/h.

Q3. At lowest point of vertical dive (radius=0.59 km), an airplane has speed of 300 km/h which is not changing. Determine magnitude of acceleration of pilot at lowest point.

The mirror of the nearest point on the floor : A person whose eyes are H = 1.64 m above the floor stands L = 2.3 m in front of a vertical plane mirror whose bottom edge is 38 cm above the floor. What is the horizontal distance x to the base of the wall supporting the mirror of the nearest point o.. |

Plot of residuals from a regression : Below is a normal plot of residuals from a regression. Does the plot indicate any problems with the assumption that the residuals are Normally distributed |

The separation between the third and fourth bright fringes : Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass and radius of orbit. The satellites fire rockets that provide force needed to keep a circular orbit around the space stat.. |

What is the magnitude of magnetic field : Determine the tension in each cable if boat has a mass of 490 kg and the angle of each cable is 50 degrees from the horizontal and the boat is being momentarily held at rest. Evaluate this to the tension when the boat is raised and held at rest so th.. |

Determine magnitude of acceleration of pilot at lowest point : A plate carries a charge of -3.9 µC, while a rod carries a charge of +2.2 µC. How many electrons should be transferred from the plate to the rod, so that both objects have the same charge. |

How closely is height of an individual related to weight : How closely is the height of an individual related to the weight? Partial regression output for a sample of 92 individuals is below. |

What is the smallest width of a soap film : A dog running in an open field has components of velocity = 3.4 and = -1.9 at time = 10.4. For the time interval from = 10.9 to = 24.7, the average acceleration of the dog has magnitude 0.45 and direction 25. |

How far is the speaker from each observer : A loudspeaker is placed between two observers who are 120 m apart, along line connecting them. If one observer records a sound level of 52.8 dB and the other records a sound level of 83.5 dB, how far is the speaker from each observer? Enter the longe.. |

Find the profit-maximizing choice : Find the profit-maximizing choice of q for this miniature farm; also compute profits that will be earned at this choice of q. |

## How long does it take to move the boxIf coefficient of kinetic friction between the box and the floor is 0.570, how long does it take to move the box 4.00 m, starting from rest. |

## What is magnitude of the ducks velocityDetermine magnitude of the force from the ground on each front wheel. what is magnitude of the duck's velocity. |

## Find out the wavelengths of the lightA 16 cm x 16 cm square loop of wire lies in the xy-plane with its bottom edge on x-axis. The resistance of the loop is 0.490 ohms. A magnetic field parallel to the z-axis is given by B= 0.830 y^2 t, where B is in tesla, y in meters, and t in seconds... |

## What is the decibel level required for human perceptionWhat is the decibel level required for human perception |

## Length of an idealized closed tubeA person exerts a horizontal force of F = 175 N in the test apparatus shown in the drawing. (h = 0.25 m.) Find the horizontal force M that his flexor muscle exerts on his forearm. |

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