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When an exhaust fan of mass 380 kg is supported on springs with negligible damping, the resulting static deflection is found to be 45 mm. If the fan has a rotating unbalance of 0.15 kg-m, find
(a) the amplitude of vibration at 1750 rpm, and
(b) the force transmitted to the ground at this speed.
an engine rejects 1260 mjh when running at a thermal efficiency of 22. the calorific value of the fuel used is 42 mjkg.
Assuming this pressure creates a force of F = F 0sin( t / t0) on the bullet, determine the velocity of the bullet at any instant it is in the barrel. What is the bullet"s maximum velocity?
determine the concentration of a non-reactive tracer that was released as a pulse input if the flow in is 1.5 cms and
How may data be managed to support a function (billing, human resources, accounting, finance, sales/marketing, training)?
an 8-kg plunger is released from rest in the position shown and is stopped by two nested springs the constant of the
A Carnot heat engine operates between 40C and 320 C. What is the thermal efficiency? if the work output is 200 kJ/kg, what is the quality of state A (in 320C)?
an insulated system is divided into 2 parts by a partition . one part of the tank contain 2.5 kg of compressed liquid
if the head loss in 30 m 100 ft of 75 mm 3 in. pipe is 7.6 m 25 ft when a certain quantity of water flows therein what
the 22 kg block is towed up the ramp of the 43kg cart using the motor mounted on the side of the cartif the motor winds
the boat is to be pulled onto shore using two ropes. If the resultant force is to be 1000 N, directed along the keel aa , determine the magnitude of forces T, P acting in each rope at the angle teta of P so that the magnitude of P is minimum. T ac..
The signpost of a fast food restaurant consists of a hollow steel cylinder of height h, inside diameter d, and outside diameter D, fixed to the ground and carries a concentrated mass M at the top.
Rod AB is bent into shape of a circular arc adn is lodged between two pegs D adn E. It supports a load P at end B. Neglecting friction and the weight of the rod, determine the distance c corresponding to equilibrium when a = 1 in and R = 5 in.
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