During the initial charge of a capacitor up to its max charge Vo, the initial energy stored in the capacitor is 1/2(CVo)^2 . Show mathematically that this energy is equal to the total energy dissipated as heat in the resistance through which discharging the current flows.

What is the change in kinetic energy of the box : A force of 210N is applied to a 50.0 kg box. The force is directed 20 degree above the horizontal. The coefficient of kinetic friction between the box and the floor is 0.25 and the box moves 3.00m across the horizontal floor. A) How much work is done.. |

What is the wavelength of such a wave in seawater : Dolphins emit ultrasonic waves with a frequency as high as 2.5 105 Hz. What is the wavelength of such a wave in seawater at 25° C |

Explain an acid base reaction produces a solution : If an acid base reaction produces a solution with a pH of 7 at its equivalence point, why does an indicator solution that changes color at either a pH of 5 of 9 work just as well as one that changes at a pH of 7 |

Compute the speed of the transverse string waves : A harpsichord string of length 1.50 m and linear mass density 25.0 mg/m vibrates at a (fundamental) frequency of 450.0 Hz. What is the speed of the transverse string waves |

During the initial charge of capacitor up to its max charge : During the initial charge of a capacitor up to its max charge Vo, the initial energy stored in the capacitor is 1/2(CVo)^2 . Show mathematically that this energy is equal to the total energy dissipated as heat in the resistance through which discharg.. |

Determine the optimal processing plan : Determine the optimal processing plan for the meat market. |

Explain what is the apparent ka of the acid : At the endpoint of a titration of a weak acid HA (nicotinic acid) with NaOH (100 mL each, 0.100 M), the pH is 8.78. What is the apparent Ka of the acid |

What are the frequencies of electromagnetic waves : Light visible to humans consists of electromagnetic waves with wavelengths (in air) in the range 400-700 nm (4.0 10-7 m to 7.0 10-7 m). What are the frequencies of electromagnetic waves that are visible |

How could you reconcile the social agenda : How could you reconcile the social agenda - make radios freely available - with the commercial challenges of running a business? What problems do you think Freeplay/Lifeline Energy face in trying to sustain the business? |

## Find the speed of the water at the center of the pipeAssume that water flowing through a pipe with a circular cross section flows most rapidly at the center of the pipe and least rapidly near the pipe walls. find the speed of the water at the center of the pipe |

## Find additional resistance should be added in seriesA power supply has an open-circuit voltage of 35.0 V and an internal resistance of 2.00 O. What additional resistance should be added in series |

## Find the frequency of sound you hear reflected off the cliffA siren emitting a sound of frequency 1200 Hz. moves away from you toward a cliff at a speed of 16 m/s. What is the frequency (in Hz.) of sound you hear reflected off the cliff |

## Determine horizontal force is necessary to hold bagA 125 kg mail bag hangs by a vertical rope 3.3 m long. A postal worker then displaces the bag to a position 2.2 m sideways from its original position, What horizontal force is necessary to hold the bag in the new position |

## Find out the gauge pressure at a second pointA pair of speakers separated by 0.700m is driven by the same oscillator at a frequency of 662Hz. An observer, originally positioned at one of the speakers, begins to walk along a line perpendicular to line joining the speakers. (Assume the speed o.. |

## Estimate the average distance of capillariesSuppose 199 W of heat flows by conduction from the blood capillaries beneath the skin to the body's surface area of 1.37 m2. estimate the average distance of capillaries below the skin surface |

## What is the forward force on the trailerThe intensity of sunlight that reaches Jupiter (orbiting at about 5 AU) is approximately what fraction of that at Earths orbital distance. |

## Estimate the maximum total power neededSquaw Valley ski area in California claims that its lifts can move 48300 people per hour. estimate the maximum total power needed |

## Calculate the value of the angle thetaIn the experiment to study polarization, the angle between the transmission axes of two polarizers is theta. Light from the incandescent light source passes through both polarizers. Calculate the value of the angle theta |

## Find the ratio of electric and magnetic field strengthsA device called a velocity selector is a tube with a crossed electric and magnetic fields set up so that the particle entering with a velocity v_0 along the axis of the tube experiences zero net force. |

## Find the magnetic field strength at the surface of the bilbAssume that a 90.0 W light bulb radiates all its energy as a single wavelength of visible light. Estimate the magnetic field strength at the surface of the bulb |

## What are the characteristics of longitudinal wavesWhat are the characteristics of longitudinal and transverse waves? Describe their differences and similarities |

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