A 2.94g aluminum bullet at 31.0°C is fired at a speed of 236 m/s into a large block of ice at 0°C, in which it embeds itself. What quantity of ice melts?

How many moles of water molecules are contained in glass : A cylindrical glass of water (H2O) has a radius of 4.61 cm and a height of 12.5 cm. How many moles of water molecules are contained in the glass |

Evaluate the expected melting point for the mixture : The freezing point depression of water is a rather small 1.86 deg C kg/mol. Addition of 0.454 g of zinc chloride to 3.33 g of water lowers the melting point by 5.2 deg C. Calculate the expected melting point for this mixture and account for any di.. |

How many kilograms of water in the form of sweat have : The latent heat of vaporization of H2O at body temperature (37.0°C) is 2.45E+6 J/kg. how many kilograms of water in the form of sweat have to be evaporated |

Evaluate the minimum mass of hydrochloric acid : Calculate the minimum mass of hydrochloric acid that could be left over by the chemical reaction. Be sure your answer has the correct number of significant digits. |

What quantity of ice melts : A 2.94g aluminum bullet at 31.0°C is fired at a speed of 236 m/s into a large block of ice at 0°C, in which it embeds itself. What quantity of ice melts |

What is the factor of safety in the brick column : What is the stress and strain in a 2 meter high, .025 m diameter brick column that supports a mass of 100000 kg? What is the factor of safety in the brick column |

Calculate the specific gravity of a liquid : Calculate the specific gravity of a liquid given the following information: m = 51.50 ± 0.05 grams, mA = 32.00 ± 0.05 grams,mL = 42.50 ± 0.05 grams |

Explain the molecular mass of the unknown : The freezing point depression of water is a rather small 1.86 deg C kg/mol. Addition of 0.100 g of an unknown compound to 2.50 g of water results in a decrease in the melting point of 2.3 deg C. What is the molecular mass of the unknown |

Find the original speed of the son : A father racing his son has three-fifths the kinetic energy of the son, who has half the mass of the father. What is the original speed of the son |

## Find the final speed of the space craftA 20t space craft leaving the dock of a space stationmakes a 12s engine burn. find the final speed of the space craft with respect to the station |

## Determine the final volume830 J of heat is added to an ideal gas which is maintained at a constant temperature and a pressure of 1.0 atm. what is the final volume |

## Find the electron speed just before electron strikes screenIn a television picture tube, electrons strike the screen after being accelerated from rest through a potential difference of 32000 V. find the electron speed just before the electron strikes the screen |

## What is the volume rate of flowA 6.4 cm diameter pipe gradually narrows to 4.0 cm. When water flows through this pipe at a certain rate, What is the volume rate of flow |

## At what speed is the flywheel spinningThe power is off for 34.0 s and throughout this time the flywheel slows as a result of friction in its axle bearings. Throughout the time the power is off, the flywheel makes 180 complete revolutions. |

## Find the normal to the top surface of the glassA tank with vertical walls, 2m wide and 2m long and 2.5 m high, is filled with 4800 litres of water (density 1000 kg/m3) and 3200 litres of light oil (density 900 kg/m3). compute the magnitude and location of the resultant force on each of the ver.. |

## Find height of the image of the person on the filmA spring of constant 3.00 x 10^4 N/m is between a rigid beam and the output piston of a hydraulic lever. An empty container with negligible mass sits on the input piston. The input piston has Areai and output piston has area 18 A. |

## Compute the angular velocity when person reacheswhat is the minimum coefficient of static friction required between tires and race track if the car is to stay on the track at a speed of 130m/s. |

## Calculate magnitude of the planes velocityA 12.0 resistor, 10.0 mH inductor, and a 50.0 µF capacitor are connected in series to a 55.0 V (rms) source having variable frequency. Find out the energy delivered to the circuit during one period if the operating frequency is twice the resonance.. |

## Calculate electric potential at originA charge of -16 x 10 ^-6 C , Q1, is fixed on x axis at 4 m and a charge of + 9x 10^-6, Q2, is fixed at +3 m on y axis Show E1 and E2 vector due to each charge, Calculate electric potential V at origin |

## Determine horizontal force on the headStruck from behind, a 950-kg stopped car accelerates from rest to 40km/h in 75 ms, What horizontal force on the head would accelerate it along with the rest of the body |

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