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A tourism company conducts boat tours. The company is considering adding two types of small boats to its fleet. The first type of boat costs $30000, has a seasonal capacity of 1400 and an estimated seasonal profit per boat is $5000. The second type of boat costs $90000, has a seasonal capacity of 2500 and an estimated seasonal profit per boat is $9000. The number of additional tourists projected to be served by the company is 8000. If the company plans to invest $250000, determine the additional number of boats of each type for maximum profit.
Acrylic latex paint can be described as a Bingham plastic with a yield stress of 200dyn/cm^2, a limiting viscosity of 50 cP, and a density of 0.95 g/cm^3. What is the maximum thickness at which a film of this paint could be spread on a vertical wall ..
determine the magnitude of the initial velocity of the bullet and the magnitude of the force exerted by the bullet on the block.
consider an investment in a project having a first cost of 500000 operating and maintenance costs of 35000 per year a
Describe and justify the procedure and instrumentation for transferring control points to upper floors of multi-story in-situ reinforced concrete frames.
the gate in the is hinged at H.the gate is 2 m wide and normal to the palne of the diagram.calculate the force required to hold the gate closed.
the two ends of a cylindrical rod of nickel 120.00 mm long and 12.000 mm in diameter are maintained rigid. if the rod
an ideal combined rankine cycle contains a reheat and a open feedwater heater this is also referred to as a
A steam power plant operates on a simple ideal Rankine cycle between the pressure limits of 3 MPa and 50 kPa. The temperature of the steam at the turbine inlet is 300 C and the mass flow rate of steam through the cycle is 35 kg/s. Show the cycle on a..
Two tow trucks lift a 660 lb motorcycle out of a ravine following an accident. If the motorcycle is in equilibrium in the position shown, what are the tensions in cables AB and AC?
Steels and low carbon iron alloys are by far the most common metals in industrial use. The main element of these materials is iron (Fe). Fe has a BCC crystal structure. Show for Fe the unit cell edge length a and the atomic radius R are related throu..
For unstrained material, a = 2.8610. Find the values of the residual stresses parallel and perpendicular to the weld. Assume E = 30 × 106 psi, υ = 0.29, and that the stress normal to the plate is zero.
a.calculate the angular velocity and angular acceleration of a 2kg mass rotating in a horizontal circle of 2m radius if
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