A child is trying to stack two uniform wooden blocks, 12 cm in length so they will protrude as much as possible over the edge of a table without tipping over as shown in Figure 11-7. What is the maximum possible overhang distance?

Explain the half-life of 44ti : What is the half-life (in years) of 44Ti if a 1.0 ng sample decays initially at a rate of 4.8*10^3 disintegration s/s |

Determine the galaxys speed relative to the earth : When viewed by an observer on the Earth, light from a distant galaxy is Doppler shifted to the red such that the ratio of the unshifted frequency to the observed frequency is 2.1 |

Demand for automobiles - foreign vs domestic : Provide statistical results by using STATA and interpretations - Topic is Demand for Automobiles: Foreign vs Domestic. |

Explain a solution of potassium permaganate is standardized : A solution of potassium permaganate is standardized with iron metal, a primary standard. The iron is dissolved in acid, reduced to Fe(II), and titrated with permanganate. |

What is the maximum possible overhang distance : A child is trying to stack two uniform wooden blocks, 12 cm in length so they will protrude as much as possible over the edge of a table without tipping over, What is the maximum possible overhang distance |

Explain the activation energy for the reverse reaction : What would be the activation energy for the reverse reaction in the presence of a catalyst that decreased the activation energy for the forward reaction to 107 kJ/molrxn |

Explain 3-methyl-2-butanone to 2-methyl-3-hexanone : Show the different ways to convert 3-methyl-2-butanone to 2-methyl-3-hexanone. Then show the product that forms when 3-phenylpropanal is allowed to mix with sodium hydroxide catalyst. |

What is the elastic modulu of this wire : a wire has a diameter fo .200mm and stretches .20% when a force of 6.28N is applied to it. what is the elastic (Young's) modulu of this wire |

Depict how to synthesize 2-methyl-2-pentene : Show how to synthesize 2-methyl-2-pentene from an alkyl halide and an aldehyde or ketone, plus any other necessary reagents. Then show the reagents necessary to convert butyraldehyde into the following. There may be one more step |

## What is the fundamental frequency of its vibrationA string with a mass m = 5.00 g and a length L = 9.00 m has one end attached to a wall; the other end is draped over a small, what is the fundamental frequency of its vibration |

## Determine the liquid flow speed and the liquid pressureAt a soft drink bottling plant, a horizontal section of pipe carrying citric acid in liquid form goes from a cross-sectional area of 8.00 cm2, determine the liquid flow speed and the liquid pressure |

## Estimate the maximum force the spring exerts on the blocka 2.00 kg frictionless block is attached to an ideal spring with force constant 315 N/m. initially the spring is neither stretched nor compressed, find the maximum force the spring exerts on the block |

## What was the initial angle of the ballKenny throws a basketball which has an initial speed v0. When the ball gets to its mininum speed sometime before striking the ground, What was the initial angle of the ball |

## What is the work done by the centripetal force on an objectWhat is the work done by the centripetal force on an object with a mass of 2 kg moving with a constant velocity of 3 m/s |

## Find the amplitude and frequency of the electric fieldThe magnetic field in a radio wave traveling through air has amplitude 2.5 10-11 T and frequency 2.9 MHz. Find the amplitude and frequency of the electric field |

## Determine the maximum height of the ball above the groundA ball is thrown from a point 1.0 m above the ground. The initial velocity is 19.5 m/s at an angle of 27.0° above the horizontal. Find the maximum height of the ball above the ground |

## Calculate the mass of the target ballA ball of mass 0.220 kg that is moving with a speed of 6.3 m/s collides head-on and elastically with another ball initially at rest. Calculate the mass of the target ball |

## Metal wire of mass m slides without friction on horizontalA metal wire of mass m slides without friction on two horizontal rails spaced a distance d apart.the track lies in a vertical uniform magnetic field B. A constant current i flows from generator G along one rail across the wire and back down the other.. |

## At what distance from the axis will the electron strikeAn electron with kinetic energy of 6.0 x 10-16 J is moving to the right along the axis of a cathode-ray tube. There is an electric field vector = (2.0 x 104 N/C) j in the region between the deflection plates. |

## Calculate the wavelength of radiation produced by a protonAccelerating charges radiate electromagnetic waves. Calculate the wavelength of radiation produced by a proton in a cyclotron with a radius of 0.500 m |

## What is the maximum force the motor should exertAn elevator (mass 5000 ) is to be designed so that the maximum acceleration is 6.20×10?2. What is the maximum force the motor should exert on the supporting cable |

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