An antifreeze solution is made by mixing ethylene glycol (? = 1116 kg/m3) with water. Suppose the specific gravity of such a solution is 1.05. Assuming that the total volume of the solution is the sum of its parts, determine the volume percentage of ethylene glycol in the solution.

Calculate the x-coordinate of the cm of the rod : A long thin rod lies along the x-axis. One end is at x=2.00 m and the other at x=3.00 m. Its linear mass density ? =0.400 x2+0.600, in kg/m. Calculate mass of the rod. Calculate the x-coordinate of the CM of the rod. |

Describe first ionization energy trend tends to increase : Explain why the first ionization energy trend tends to increase as one proceeds left to right across a period. Why is the first ionization of aluminum lower than that of magnesium and the first ionization of sulfer lower than that of phosphorus |

The best way to contact the hiring manager : 1. What would be the best way to contact the hiring manager? By mail, email or by phone? Explain and support your selection. |

Decreasing the resistance of an ammeters shunt resistance : Decreasing the resistance of an ammeter's shunt resistance a.) allows it to measure a larger current at full scale deflection. b.) converts it to a voltmeter. c.) allows it to measure a smaller current at full scale deflection. d.) enables more curre.. |

Calculate the volume percentage of ethylene glycol : An antifreeze solution is made by mixing ethylene glycol (? = 1116 kg/m3) with water. determine the volume percentage of ethylene glycol in the solution |

Use kirchhoffs laws to set up three simultaneous equations : Use Kirchhoff's laws to set up three simultaneous equations that can be solved for the value of each of the currents in Figure 3 in terms of the power supply voltages and the resistor values. Use the measured resistor and power supply voltage values .. |

Define the presence of sulfuric acid : A lead-acid battery uses a redox reaction in which lead(0) and lead(IV) are both converted to lead(II). This reaction is facilitated by the presence of sulfuric acid, H2SO4, as shown by the reaction Pb + PbO2 + 2H2SO4 ---> 2PbSO4 + 2H2O |

Determine how many radians does the wheel turn : A wheel rotates about a fixed axis with an initial angular velocity of 25 rad/s. During a 4.0-s interval the angular velocity decreases to 10 rad/s. How many radians does the wheel turn |

A lab technician uses laser light with a wavelength : A lab technician uses laser light with a wavelength of 670 nm to test a diffraction grating. When the grating is 40.2 cm from the screen, the first-order maxima appear 6.02 cm from the center of the pattern. How many lines per millimeter does this gr.. |

## Determine how far the bungee jumper is from the waterA 72.0-kg bungee jumper is standing on a tall platform (h0 = 42.2 m). The bungee cord has an unstrained length of L0 = 9.54 m, Determine how far the bungee jumper is from the water when he reaches the lowest point in his fall |

## What is the minimum force must be applied to the plungerA hypodermic needle is attached to a syringe with a plunger of diameter 1.6 cm. What is the minimum force must be applied to the plunger |

## Find the angular speed as a function of timeA ball of mass 0.3 kg at the end of a rigid rod is undergoing circular motion in a circle of radius 0.5 m. Find the angular speed as a function of time |

## What is the required radiusA wire with a current of 4.90 A is to be formed into a circular loop of one turn. what is the required radius |

## Compute the orbital period of the satelliteAn artificial satellite circles Earth in a circular orbit at a location where the acceleration due to gravity is 9.00 m/s2. Determine the orbital period of the satellite |

## Q1 a man pulls a crate of mass 750 kg across a level floorq1. a man pulls a crate of mass 75.0 kg across a level floor. he pulls with a force of 180.0 n at an angle of 26.0deg |

## How much time would it take to hit the groundA sphere of radius R has a charge Q. The electric field strength at a distance r > R is Ei. What is the ratio Ef/Ei of the final to first electric field strength if Q is halved. |

## Find how fast is your car moving in kilometers per hourYour car's wheels are 65 cm in diameter and the wheels are spinning at an angular velocity of 107 rad/s. How fast is your car moving in kilometers per hour |

## Find how far from the projector lens should film be placedWhen a converging lens is used in a camera (as in the top figure), the film must be at a distance of 0.210 m from the lens to record an image of an object that is 4.00 m from the lens. How far from the projector lens should the film be placed |

## Compute the total moment of inertia of the vaseA clay vase on a potter's wheel experiences an angular acceleration of 8.21 rad/s2 due to the application of a 17.7-N m net torque. Find the total moment of inertia of the vase |

## What is the area of each turn of the coilA generator rotates at 95Hz in a magnetic field of 0.025T . It has 650 turns and produces an rms voltage of 180V, What is the area of each turn of the coil |

## Determine the magnitude of the average drag forceA 89.1-kN car is travelling at 73.1 mph when the driver decides to exit the freeway by going up a ramp. What is the magnitude of the average drag force exerted on the car |

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