A viscous fluid is flowing in a constant cross-section, horizontal pipe. With a pressure difference across the pipe of 1 × 106 Pa, the volume flow rate is 5 gallons/minute. If the pressure difference is increased to 3 × 106 Pa, what is the new flow rate?

Determine what is the weight of the truck : A small ferryboat is 4.00 m wide and 6.00 m long. When a loaded truck pulls onto it, the boat sinks an additional 4.20 cm into the river. What is the weight of the truck |

Evaluate the mass percentage of oxygen in dry air : What mass of carbon dioxide is present in 1.00 \rm m^3 of dry air at a temperature of 25 C and a pressure of 685 torr. Calculate the mass percentage of oxygen in dry air. |

Evaluate the number of tons of sulfur dioxide produced : Assuming that the coal was 4.50 \% sulfur by mass and that combustion was complete, calculate the number of tons of sulfur dioxide produced by the plant during the year. |

What are the frequency and rms strength of electric field : In an EM wave traveling west, the B field oscillates vertically and has a frequency of 80.0 kHz, What are the frequency and rms strength of the electric field |

What is the new flow rate : A viscous fluid is flowing in a constant cross-section, horizontal pipe. With a pressure difference across the pipe of 1 × 106 Pa, what is the new flow rate |

Explain what is its hydroxide-ion concentration : The pH of a 0.015 M ammonia solution is 10.72. What is its hydroxide-ion concentration |

What is the force the left support exerts on the beam : A gymnast with mass m1 = 43.0 kg is on a balance beam that sits on (but is not attached to) two supports. What is the force the left support exerts on the beam |

What are the amplitudes of each the two seperate modes : A room has two opposing walls which are tiled. The remainingwalls, floor, and ceiling are lined with sound-absorbent material. What are the amplitudes of each the two seperate modes |

Determine what is the theoretical maximum efficiency : Converting sunlight to electricity with solar cells has an efficiency of 15%. It's possible to achieve a higher efficiency (though currently at higher cost) by using concentrated sunlight as the hot reservoir of a heat engine. What is the theoreti.. |

## Discuss how human activities have affected local ecosystemAn 80 driver gets into an empty taptap to start the day's work. The springs compress 1.8×10-2. What is the effective spring constant of spring system in the taptap. |

## Determine the final temperature of nitrogenA piston-cylinder device initially contains 1 m of nitrogen gas at 400kpa and 27 c. Determine the final temperature of nitrogen |

## Calculate the resistance of a piece of nichrome wireCalculate the resistance of a piece of nichrome wire 2.00 m long. the cross-sectional area of the 20 gauge wire is 0.5176 mm2 |

## Calculate the volume and temperature of the compressed airConsider a pump that is required to compress air in a factory. The cylinder in the pump has an inner diameter of 2.00 cm and length 60.0 cm. Calculate the volume and temperature of the compressed air |

## Compute the magnitude of the acceleration of the elevatorA man stands on a scale in an elevator that is accelerating upward. compute the magnitude of the acceleration of the elevator? |

## How fast is the satellite traveling in orbitA 2500 kg satellite is to be launched and put in orbit at 750km above the surface of the earth. What gravitational force will the satellite experience? How fast is the Satellite traveling in orbit? |

## The electric field strength to be the same in both wiresConsider a piece of nichrome wire which is attached to a 1.2-mm-diameter aluminum wire, as diagrammed in the figure below. What diameter should the nichrome wire in the figure below be in order for the electric field strength to be the same in.. |

## What is the resistance of the nichrome wireNichrome is a nickel chromium allot commonly used in heating elements. suppose you have a coil of nichrome wire that is 25.0 m long, what is the resistance of the Nichrome wire |

## How far does the jumper jumpA jumper in the long-jump goes into the jump with a speed of 12 m/s at an angle of 20 deg. above the horizontal |

## What is the acceleration experienced by the tipIf a curve with a radius of 85 m is properly banked for a car travelling 68 km/h, what must be the coefficient of static friction for a car not to skid when travelling at 97 km/h. |

## Find the total power radiatedA 13g bullet traveling 221 m/s penetrates a 2 kg block of wood and emerges cleanly at 160 m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges. |

## Compute the work done by the force of gravityStarting from rest, a 4.4-kg block slides 2.70 m down a rough 30.0Â° incline. The coefficient of kinetic friction between the block, Determine the work done by the force of gravity |

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