Two cars collide head on while each is traveling at 90 . Suppose all their kinetic energy is transformed into the thermal energy of the wrecks. What is the temperature increase of each car?

By what factor will the power used change : A 70-? electrical appliance and a 90-? electrical appliance are plugged into the outlets of a house. By what factor will the power used change |

Define the molar concentrations for co and h2 at equilibrium : Suppose that the molar concentrations for CO and H2 at equilibrium are [CO] = 0.05 M and [H2] = 0.08 M. Use the formula Kc[CO][H2]^2 to calculate the concentration of . Express your answer to one decimal place and include the appropriate units. |

Why the transmitting and recieving antennas are parabolas : A microwave transmitter has an output of 0.1W at 2GHz. Assume that this transmitter is used in a microwave communication system where the transmitting and recieving antennas are parabolas, each 1.2m in diameter. |

What required reserves ratio is implied : If the bank holds $65 million in deposits and currently holds bank reserves such that excess reserves are zero, what required reserves ratio is implied? |

What is the temperature increase of each car : Two cars collide head on while each is traveling at 90. What is the temperature increase of each car |

Find the location and the value of the third charge : Coulomb's Law: Charges +Q and +3Q are separated by a distance of 2m. A third charge is located such that the electrostatic system is at equilibrium (the forces sum to zero). Find the location and the value of the third charge in terms of Q. |

General method for find out the fractional abundances : devise a general method for determining the fractional abundances of two or more isotopes from a mass spectrum. your method must include some means of measuring the signals |

What ip address must be used to fetch the instruction : If the phisical memory location is 6521H ad the code segment is 1400H what IP address must be used to fetch the instruction |

What required reserves ratio is implied : If the bank holds $65 million in deposits and currently holds bank reserves such that excess reserves are zero, what required reserves ratio is implied? |

## Make use of a ray diagram to find the approximate locationA drinking straw 20 cm long and 3 mm in diameter stands vertically in a cup of juice 8.0cm in diameter. A section of straw 6.5cm long extends above the juice. A child sucks on the straw, and the level of juice in the glass begins dropping at 0.23c.. |

## Find the internal resistance of the cell in ohmsA solar cell generates a potential difference of 0.320 V when a 445.0 ? resistor is connected across it and a potential difference of 0.504 V, find the internal resistance of the cell in Ohms |

## What is the velocity of the boat when it reaches the buoyWhat is the velocity of the boat when it reaches the buoy. |

## Find how much kinetic energy is lostIn an ice show a 65.0 kg skater leaps into the air and is caught by an initially stationary 85.0 kg skater. How much kinetic energy is lost? |

## Determine the greatest vertical displacement of the pendulumDetermine the greatest vertical displacement of the pendulum |

## What is the magnitude of force exerted on roller coasterThe mousetrap car has a mass of 100 grams and starts travelling at the speed of 1.80 m/s and after 5seconds get the rested? What force did the motor exert. |

## What is the capacitance of a pair of circular platesWhat is the capacitance of a pair of circular plates with a radius of 9.0cm separated by 3.2mm of mica? |

## What is the index of refraction of polytheneThe speed of light in polythene is 1.99 x 108 m/s. What is the index of refraction of polythene |

## Find the linear distance between adjacent maxima on screenIn a double-slit interference experiment, the wavelength is 577 nm, the slit separation is 0.1 mm, What is the linear distance between adjacent maxima on the screen |

## What is the exact current in registerA 211-? and a 221-? resistor are connected in series across an unspecified power supply, what is the exact current (in A) through the 221-? resistor |

## How fast must truck travel to stay beneath the airplaneThe distance from the point on the surface of Earth to a point on a surface of the moon is measured by aiming a laser light beam at the reflector on the surface of moon and measuring the time required for the light to make a round trip. |

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