A 0.460 kg wood block is firmly attached to a very light horizontal spring (k = 160 N/m) as shown in Fig. 6-40. It is noted that the block-spring system, when compressed 5.0 cm and released, stretches out 2.3 cm beyond the equilibrium position before stopping and turning back. What is the coefficient of kinetic friction between the block and the table?

How many gallons of water have the same mass as this bar : A bar of gold measures 0.268 m x 0.0204 m x 0.0583 m. How many gallons of water have the same mass as this bar |

Explain what mass of gold is produced of current : What mass of gold is produced when 7.00 A of current are passed through a gold solution for 49.0 min |

Explain what is the ratio of the number of molecules : What is the ratio of the number of molecules having twice the most probable speed to the number having the most probable speed |

Calculate how many kilograms of ice in the tub : A Carnot engine uses a hot reservoir consisting of a large amount of boiling water and a cold reservoir consisting of a large tub of ice and water. how many kilograms of ice in the tub |

Coefficient of kinetic friction between the block and table : A 0.460 kg wood block is firmly attached to a very light horizontal spring (k = 160 N/m) as shown in Fig. 6-40. It is noted that the block-spring system, when compressed 5.0 cm and released, stretches out 2.3 cm beyond the equilibrium position before.. |

What is the ratio of the final kinetic energy of the system : Two objects moving with a speed v travel in opposite directions in a straight line. The objects stick together when they collide, and move with a speed of after the collision. What is the ratio of the final kinetic energy of the system to the initial.. |

Find the change in mechanical energy of the car-truck system : A 1 170.0 kg car traveling initially with a speed of 25.000 m/s in an easterly direction crashes into the back of a 9 800.0 kg truck moving in the same direction at 20.000 m/s. What is the change in mechanical energy of the car-truck system |

Wheel rotating with a constant angular acceleration turns : A wheel rotating with a constant angular acceleration turns through 24 revolutions during a 6 s time interval. Its angular velocity at the end of this interval is 18 rad/s. What is the angular acceleration of the wheel? Note that the initial angular .. |

Obtain the number of millimeters by which the ice thickens : A 0.310-m-thick sheet of ice covers a lake. The air temperature at the ice surface is -17.2 °C. In 4.30 minutes, the ice thickens by a small amount. Calculate the number of millimeters by which the ice thickens |

## What is the spacing d between the planes of the crystalTwo particles moving under the influence of their mutual gravitational force describe circular orbits about one another with a period T. If they are suddenly stopped in their orbits and allowed to gravitate towards each other, show that they would.. |

## What average current is required to vaporize the waterThe rain-soaked shoes of a person may explode if ground current from nearby lightning vaporizes the water. what average current is required to vaporize the water |

## Determine the power factor for the rlc series circuitIn an RLC circuit, the following three elements are connected in series: a resistor of 45.0 ?, a 21.0-mH inductor, and a 0.450-µF capacitor. Find the power factor for the RLC series circuit |

## How long does the cork remain in the airA hot air balloon decends toward the ground with a velocity of (1.6 m/s). A champagne bottle is opened to celebrate takeoff, expelling the cork horizontally with a velocity of (4.0 m/s) relative to the balloon. |

## Find the velocity of the electron when it hits the screenan electron is shot at an initial speed of v0 = 2.00 × 106 m/s, at an angle ?0 = 35.0° from an x axis. It moves through a uniform electric field = (5.00 N/C), find the velocity of the electron when it hits the screen |

## Calculate the final charge on the capacitorA resistor with R = 36.0 ohms and a capacitor with C = 1.20 x 10^-6 F are connected in series to a battery that has negligible internal resistance, What is the final charge on the capacitor, a long time after the circuit is completed |

## Q1 an object hangs from a spring balance the balanceq1. an object hangs from a spring balance. the balance indicates 40 n in air and 30 n when the object is submerged in |

## Find the initial and final values of relative humidityAn air mass has a temperature of 68F at 970hPa with a mixing ratio of 5 g/kg. Without any condensation or mixing, the air mass now has a temperature of 50F and a pressure of 750hPa. Find the initial and final values of: |

## What is the tension in the stringA small ball with a mass of 49.0g and a charge of ?0.170?C is suspended from the ceiling by a string. What is the tension in the string when the second ball is directly beneath the first ball |

## Original volume by isobaric process-mole of a monatomic gasOne mole of a monatomic gas at 400 K is reversibly taken to half of its original volume by an isobaric process. How much work is done by the gas? |

## What is the speed of the combined objectAn object of mass m moves to the right with a speed v. It collides head-on with an object of mass 3m moving with speed v/3 in the opposite direction. what is the speed of the combined object |

## Calculate the wavelength of the wavesAn FM radio station broadcasts electromagnetic waves at a frequency of 550 kHz. Calculate the wavelength of the waves. |

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