The tub of a washer goes into its spin-dry cycle, starting from rest and reaching an angular speed of 2.0 rev/s in 8.0 s. At this point, the person doing the laundry opens the lid, and a safety switch turns off the washer. The tub slows to rest in 13.0 s. Through how many revolutions does the tub turn during this 21-s interval? Assume constant angular acceleration while it is starting and stopping.

Define d-maltose is a disaccharide and d means the oh : D-maltose is a disaccharide and D means the OH on the second to last carbon to the bottom is on the Right and L means left how do we draw a structure of D-maltose or alpa-D-maltose |

Calculate how high is the tower : A rock thrown horizontally from the top of a radio tower lands 22.0 m from the base of the tower. how high is the tower |

Define the concentration of hemoglobin in the solution : The cuvette used had a 1.00 cm sample pathlength. The measured absorbance was 0.180. What was the concentration of hemoglobin in the solution. What would the absorbance of the previous solution be if the pathlength were 1.80 cm |

What are the forces at the two supports : a 15 m beam is supported (hinged supports) at both ends and is loades with a 50 n weight 4 m from one end and a 100 n weight 8 meters from the same end. what are the forces at the two supports |

Find how many revolutions does the tub turn : The tub of a washer goes into its spin-dry cycle, starting from rest and reaching an angular speed of 2.0 rev/s in 8.0 s. Through how many revolutions does the tub turn during this 21-s interval |

How long will it take for ciny to catch up to david : David is running at a constant speed of 6.0 meters per second when he passes Cindy, who is at rest. How long will it take for Ciny to catch up to David |

How to calculate the number of photons absorbed : After 20 minutes of irradiation at 313 nm, 18.4 cm cubed of CO (measured at 1008 pascals and 22 oC ) is produced. calculate the number of photons absorbed, and the intensity in J s-1. |

Define what''s the precent abundance of ga-71 isotope : The atomic mass of Gallium is 69.72 amu which has two isotopes, Ga-69 (atomic mass= 68.92 amu) and Ga-71(atomic mass= 70.92 amu). What's the precent abundance of Ga-71 Isotope |

Estimate the average bulk modulus of earths crust given : Earthquakes at fault lines in Earth's crust create seismic waves, which are longitudinal (P-waves) or transverse (S-waves). Estimate the average bulk modulus of Earth's crust given |

## A car drives on a road which begins flatA car drives on a road which begins flat, then goes up and over the top of a hill and then goes down into a dip and back up to level ground. |

## What is the distance of closest approach of the two particleAn alpha particle with a kinetic energy of 6.00MeV makes a head-on collision with a gold nucleus at rest. What is the distance of closest approach of the two particles |

## At what frequency does a stationary listener hear the soundAn airplane traveling at half the speed of sound emits a sound of frequency 5.96 kHz. At what frequency does a stationary listener hear the sound as the plane approaches |

## What is the force exerted on the nail by the hammerA man strikes a nail with a 1kg hammer. The speed of the hammer just before it strikes the nail is 5m/s, What is the force exerted on the nail by the hammer |

## How many square meters of area are thereA student sees a newspaper ad for an apartment that has 1830 square feet (ft2) of floor space. How many square meters of area are there |

## Obtain the thickness of the filmAn extremely thin film of soapy water (n=1.36) sits on top of a flat glass plate with n=1.11. What is the thickness of the film |

## Find the volume to the nearest thousand cubic footTwo free particles (that is, free to move) with charges +q and +4q are a distance L apart. A third charge is placed so that the entire system is in ?quilibrium. Find out the location, magnitude, and sign of the third charge. |

## Find the point where potential energy of the system is maxan object is thrown upward to a person of a roof . at what point is the objects kinetic energy at its max? at what point is the potential energy of the system at a max |

## Find the magnitude of the acceleration of the cartA cart starts from rest at the top of the tilted track. Assume the track is frictionless. The cart passes photogate A moving at speed 5.41 cm/s, Find the magnitude of the acceleration of the cart |

## Determine the change in the entropy of the freezerA freezer is used to freeze 2.0 L of water completely into ice. The water and the freezer remain at a constant temperature of T = 0°C. Determine the change in the entropy of the freezer |

## Determine its speed at aphelionHalley's comet, which passes around the Sun every 76 years, hasan elliptical orbit. When closest to the Sun (perihelion) it is ata distance of 8.823 x 1010 m, Calculate its speed at aphelion |

## What are the dimensions of the box as measured by anwhat are the dimensions of the box as measured by an observer moving with a speed of 0.82 c parallel to one of the |

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