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A volunteer fire department is planning to serve the rural communities shown in network below. It has just purchased two used fire engine auctioned off by a nearby city. The travel time in minutes between communities in the service area is shown on the network below. The fire department is interested in determining the number and location of two fire engines to serve the communities so that a fire engine will be within 30 minutes' travel time of any community. a) Select all possible pairs of communities in which the two fire engines could be located to ensure that all communities can be reached in 30 minutes or less.
b) What additional consideration could be used to make the final site selection from the community pairs found in part (a)? c) What is the final site selection from the community pairs found in part (a)?
Ropes utilized in rock climbing are "springy" so they cushion a climber's fall. A particular rope has a force law given by F=-kx +bx^2, where k=223 N/m, b=4.1 N/m^2 and x is the amount of stretch? Discover the potential energy stored in this rope whe..
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a physic room has a volumen of 216 m3.a for a pressure of 1.00 atm and a temperature of 27.0 c use the ideal gas law to
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A 5.06 10-5 H solenoid is constructed by wrapping 63 turns of wire around a cylinder with a cross-sectional area of 9.70 10-4 m2 , Determine the change in the length of the solenoid
A car travels at 40 km/h for 30 min and 60 km/h for 15 min. How far does it travel in this time
A rock with mass of 1.0 kg is at the top of a hill and has a potential energy of 50 J. How high is the hill? If the rock rolls to the bottom of the hill, what is its kinetic energy at the bottom of the hill?
Consider a uniform thin rod of length 2.00 m and mass 1.00 kg is lying on a smooth horizontal table. How far does the center of mass of the rod travel during the time it takes to make one complete revolution
Jamie pulls a box of 1 kilogram mass up an inclined plane by a constant force of 10 Newton that causes a displacement of 0.50 meter. Calculate the work done by the normal force on the object
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