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A 1.20 kg piece of cheese is placed on a vertical spring of negligible mass and force constant K = 1800 N/m that is compressed 15.0 cm. When the spring is released, how high does the cheese rise from an initial position? (Here cheese and spring are not attached)(Take g = 9.8 m/s2)
type your question herea 5000 lb truck is being used to lift a 1000 lb boulder b that is on a 200lb pallet a. knowing
saturated liquid water is compressed from 100 kpa state 1 to 2.5 mpa state 2 in an adiabatic pump having 85 isentropic
a pulley 250 mm in diameter drives a second pulley 1000 mm in diameter by means of a belt. the moment of inertia of the
A single phase step up transformer is used to transform 240VRMS to 2400VRMS. The transformer is operating at its rated power of 1kW (with purely resistive load), with transformer Reqp = 5, and a Xeqp = 4j,
An elevator is hung by a steel rope. The rope has a cross-sectional area of 250mm2 and a modulus of elasticity of 70 GPa. the upward acceleration when the elevator starts is 4 m/s2. the rope is 100m long and the elevator weigh 1000 kg. determine the ..
a heat pump is used to heat a house and maintain it at 20 degc. on a winter day when the outdoor air temperature is -5
the flux density of a magnetic field is 20000 lines per sq in. what length of conductor should cut the flux to produce
A 782 pound 4WD vehicle is designed to clime a 16 degree ramp. What is the minimum acceptable coefficient of friction between its tires and the ramp surface?
Find the missing properties of T, P, v, u, h and x if applicable and plot the location of the three states as points in the T-v and the P-v diagrams
The water is initially at room temperature (293 K). Water boils at 373 K. How much energy must be added to the water by heating it in order for it to start boiling?
Air enters a nozzle at 240 kpa and 400 k with a velocity of 10m/s. it exits at 100kpa. the nozzle adiabatic efficiency is 90%. Delta PE=0, s.s.s.f, uniform velocity at exit and entrance.
Compare the time and cost of using the following three alternative methods for casting the concrete for the wall: 1) direct chute 2) pumped 3) crane and bucket.
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