Water is pumped steadily out of a flooded basement at a speed of 5.1 m/s through a uniform hose of radius 0.5 cm. The hose passes out through a window 3.2 m above the waterline. What is the power of the pump?

What accounts for the polytypic nature of our species : Choose and assess a model for the origins of modern H. sapiens, providing evidence that supports your choice. What this question is asking is: given that humans are a polytypic species, we nevertheless are genetically very similar. |

Explain solution of hcl needed to consume all the calcium : Determine the volume measured in a buret of a 0.2750M solution of HCl needed to consume all the calcium carbonate in a 2.5 x 1.0 x 0.5 in block. |

Determine sales and gross profit : Determine sales and gross profit given cost of goods sold was $622,000 and net loss was ($41,000). |

Define what will the final temp of the calorimeter : the calorimeter above that contains 20.00g of water at 23.15 degrees C, what will the final temp of the calorimeter be when the reaction gose to completion |

What is the power of the pump : Water is pumped steadily out of a flooded basement at a speed of 5.1 m/s through a uniform hose of radius 0.5 cm. What is the power of the pump |

Balance sheet related to cash flow statement : What sections of a balance sheet are related to each of the sections of a cash flow statement? |

Explain chemical reaction for the reaction of sodium sulfite : What is the balanced chemical reaction for the reaction of sodium sulfite and bleach (sodium hypochlorite(NaCLO) to produce sodium sulfate and sodium chloride |

Determine the conductivity of the wire : A d = 4.57 mm diameter wire carries an electric current of I = 14.3 A when the electric field is E = 7.53×10-2 V/m along the wire. What is the conductivity of the wire |

Evaluate the change in entropy for reversible cooling : Calculate the change in entropy (S) for reversible cooling 1 Mole of an ideal monatomic gas from 30 degrees C to 0 degrees C under: |

## Calculate the speed of light in the materialA beam of light is traveling in air and strikes a material. The angles of incidence and refraction are 56.1° and 48.5°, respectively |

## What is the volume of the acetoneA volumetric flask made of Pyrex is calibrated at 20.0 °C. It is filled to the 175-mL mark with 36.5 °C Mercury. After the flask is filled, What is the volume of the acetone when it cools to 20.0 °C |

## Determine the net force of the bottom blockconsider two blocks of wood, one having mass of 1 kg and the other having a mass of 2 kg. What is the net force of the bottom block |

## Find the average electrical energy dissipated in resistanceA piece of copper wire is formed into a single circular loop of radius 12 cm. What is the average electrical energy dissipated in the resistance of the wire |

## How fast does the wave move along the stringA transverse wave on a string is described by the equation y(x, t) = (2.27 cm) sin[(109 rad/s)t + (13 rad/s)x]. How fast does the wave move along the string |

## What is the final temperature of the water and zincWhat is the final temperature of the water and zinc. |

## Determine the differential cross sectionOnce can set up a two-dimensional scattering theory that could be applied to puck projectiles sliding on an ice rink and colliding with various target obstacles. |

## Determine the time that was recorded on earthDonovan Bailey set a world record for the 100-m dash on July 27, 1996. find the time that was recorded on Earth |

## Compute the capacitance of the deviceAn air-filled spherical capacitor is constructed with inner and outer shell radii of 7.00cm and 14.0cm, respectively. Calculate the capacitance of the device |

## How many atoms are there in earthEarth has a mass of 5.98 × 1024 kg. The average mass of the atoms that make up Earth is 40 u. How many atoms are there in Earth |

## Display the altitude of the planeAn airplane is flying horizontally with a speed of 1000 km/h(280m/s) when an engine falls off. avoid air resistance,assume it takes 30s for the engine to hit the ground. |

## Determine the average power delivered to the trainThe electric motor of a model train accelerates the train from rest to 0.540 m/s in 31.0 ms. Find the average power delivered to the train during its acceleration |

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