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an green hoop with mass mh 27 kg and radius rh 017 m hangs from a string that goes over a blue solid disk pulley with
in an ideal rankine cycle steam exhausts a turbine at the rate of 101 million lbm per hour into a condenser at a
a very large water tank has a small outlet pipe very near its base the outlet pipe is 2 cm in diameter and points
a cube of unknown material which is 1 m on a side is observed to float in fresh water with 30 of the cube exposed above
a barge on the ohio river is 35 ft wide and 200 ft long with walls which are 12 ft higha one day you see it going up
a new type of personal scale is designed where the person stands on top of a platform supported by a rubber cylinder
steam enters a turbine in a rankine cycle power plant at 200 psia and 500 degrees fa calculate the isentropic thermal
a solar concentrating heat exchanger system directs sunlight onto a long straight pipe the pipe receives heat from
a resting bat sends out ultrasonic waves at 50 khz towards an insect that is approaching the bat with a speed of 200
200 btu are transported into a system via a work mode and 75 btu are removed via heat transfer mode determine the net
a heat engine operates as a reversible carnot cycle transfers 60 kw of heat from a reservoir at 1000 k and then rejects
three point charges each with a charge of 150 micro column from an equilateral triangle with 02m side what is the
a car with a mass of 1000 kg is driving over a hill at a constant speed of 60 ms the top of the hill can be
a model train moves along a horizontal circular track with a radius of 05 m starting from rest the train accelerates at
object o1 is 152 cm to the left of a converging lens with a 118-cm focal length a second lens is positioned 100 cm to
a parallel plate capacitor with plates of area 320 cm2 is charged to a potential difference v and is then disconnected
two parallel plates of area 51 cm2 have equal but opposite charges of 410e-07 c within the dielectric material filling
a find the speed of a satellite moving around the earth in a circular orbit that has a radius equal to six times the
a 40 capacitor is connected in series to a resistor if an emf source is connected in series to this arrangement and if
connections to the body for electrocardiography ecg and electroencephalography eeg are normally made with metal
youre designing a prosthetic ankle that includes a miniature electric motor containing a 150-turn circular coil 15 mm
a lasik vision correction system uses a laser that emits 10 -long pulses of light each with 25 of energy the laser is
a laser that produces a spot of light that is 120 mm in diameter is shone perpendicularly on the center of a thin
a current i flows down a wire of radius aa if it is uniformly distributed over the surface what is the surface current
a transformer with 410 turns in its primary coil and 34 turns in its secondary coil is designed to deliver an average