a physics instrustor shakes a 2.0 m long alumium rod to create the pattern

a) is this a transverse wave or a longtudinal wave?

b) if the frequency at which the rod is shaken is 4.0 Hz . what is the wave speed?

Calculate the mass flow rate for the concentrate stream : A magnetic separator processes 500 kg/hr of finely ground magnetite ore (Fe3O4). The ore containes 35% magnetite and an analysis of the concentrate and tailings shows that they contain 59.5% Fe and 3.8% Fe |

What must be the power of the horns output to achive : a ship's horn can be heard above typical background noise if at intensity level 20 dB. what must be the power of the horn's output to achive this level at 5.0 km away |

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Find is this a transverse wave or a longtudinal wave : a physics instrustor shakes a 2.0 m long alumium rod to create the pattern, find is this a transverse wave or a longtudinal wave |

Determine if a simple supported w beam has the capacity : Determine if a simple supported W 12x26 (A36 steel) beam has the capacity to support loads that produce 50 kips of live-load shear and 20 kips of dead-load shera. |

Determine theoretical maximum efficiency of the heat engine : Assume the collector provides this energy to a thermal storage unit (a thermal reservoir) at 220oC. A heat engine receives energy from this thermal storage unit and discharges energy by heat transfer to the surroundings at 20 C |

Find the velocity of the wind : A plane can fly 305 mph in still air. If it can fly 185 miles downwind in the same amount of time it can fly 120 miles upwind, find the velocity of the wind. |

Find the force exerted on the inside of the door by the air : A car misses a turn, sinks into a shallow lake, coming to rest on its side with the door horizontal and at a depth of 9.3 m. find the force exerted on the inside of the door by the air |

## Determine the speed with which the object hits the floorAn object with a mass of m = 5.3 kg is attached to the free end of a light string wrapped around a reel of radius R = 0.255 m and mass of M = 3.00 kg, Determine the speed with which the object hits the floor |

## Find the value of gYou do a physics lab experiment on another planet. A small block is released from rest at the top of a long frictionless ramp that is inclined at an angle of 36.9° above the horizontal, What is the value of g |

## Compute the potential difference across the resistorIf 5.0 Â´ 1021 electrons pass through a 20-W resistor in 10 min, what is the potential difference across the resistor |

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## What fraction of the masss energy is kinetic energyWhen the displacement of a mass on a spring is 0.445 of the amplitude of its oscillation, what fraction of the mass's energy is kinetic energy |

## Compute the length of the rod at the freezing point of waterAn aluminum-alloy rod has a length of 10.009 cm at 16.200°C and a length of 10.021 cm at the boiling point of water. compute the length of the rod at the freezing point of water |

## Through what angle has the wheel turnedA wheel released from rest is rotating with constant angular acceleration of 2.2 rad/s2. Through what angle has the wheel turned |

## What is the intensity levelA loudspeaker at a rock concert generates 10-2 W/m2 at 18 m at a frequency of 1 kHz. Suppose that speaker spreads its energy uniformly in all directions. What is the intensity level at 18.00m. |

## What is the standard deviation of the estimated returnsIgnoring friction and air resistance, find the maximum height H to which she rises above the end of the track. |

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## Find the ratio between the two moments of inertiaconsider two solid disks of identical radius and thickness. one of the disks is made of aluminum (density=2.7g/cm), what is the ratio between the two moments of inertia |

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