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A company wishes to produce two types of souvenirs: Type A and Type B. Each Type A souvenir will result in a profit of $1, and each Type B souvenir will result in a profit of $1.20. To manufacture a Type A souvenir requires 2 minutes on Machine I and 1 minute on Machine II. A Type B souvenir requires 1 minute on Machine I and 3 minutes on Machine II. There are 3 hours available on Machine I and 5 hours available on Machine II.
An ultracentrifuge is a rotating device that can produce acceleration up to 106 g. If the distance from the center of the centrifuge out to the end of the rotating arm (where the sample goes) is 20 cm, what is the rotation speed inrevolutions per m..
At rest, a car's horn sounds the note A (440 Hz). The horn is sounded while the car is moving down the street. A bicyclist moving in the same direction with one-third the car's speed hears a frequency of 417 Hz. Is the cyclist ahead of or behind th..
A fluid flows axially between two concentric circular cylinders. The inner cylinder has a radius of "a" and the outer radius is "b". For fully developed flow determine: The relation between the flow rate and the pressure gradient
A 2.2×10^4kg rocket has a rocket motor that generates 3.1×10^5N of thrust. What is the rocket's initial upward acceleration
a uniform disk with radius r = 10.0 cm and mass 650 g attached to a uniform rod with length L = 640 mm and mass 300 g. Calculate the rotational inertia of the pendulum about the pivot point
Molybdenum has a work function of 4.2 eV. Find the cutoff wavelength and the threshold frequency for the photoelectric effect
A wheel is spinning at 16 rad/s. Itundergoes an angular acceleration of 26rad/s2 until it reaches an angular velocity of478 rad/s. Determine how long it took to spin up
If a supersonic jet traveling at Mach 3 atan altitude of 20 000 m is directly overhead at time=0, Where will the plane be when it is finally heard
A cylinder of mass 8.0 kg rolls without slipping on a horizontal surface. At a certain instant its center of mass has a speed of 11.0 m/s. Determine the translational kinetic energy of its center of mass
Water is supplied to an office building 24.0 m high through a pipe at ground level. Find the minimum pressure in the supply pipe
Two objects with masses 4.90kg and 1.70kg hang 0.500m above the floor from the ends of a cord 8.00m long passing over a frictionless pulley. Find the maximum height reached by the 1.70kg object
an aluminum rod is 18.5 cm long at 20 C and has a mass of 350g. if 15000 J of energy is added to the rod by heat, what is the change in lenghth of the rod
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