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A Doppler ultrasound unit is used to measure the motion of blood in a patientâ€TMs artery. What is the maximum speed of the blood in the artery
In a primary coil the current is initially 3.4 A. After a time of 0.14s, the current will change to 1.6A. What is the mutual inductance of the coils
The elements in a series RCL circuit are a 106 Ω resistor, a 3.30 µF capacitor, and a 0.0310 H inductor. The frequency is 609 Hz. What are the impedance of the circuit
The isotope 12N undergoes radioactive decay to form 12C. What charged particle is emitted in the decay process
A long straight wire carries a current of 6.2 A. The wire is horizontal in the plane of the page (screen) and the current is traveling to the left. Calculate the force that acts on the electron
Use the surface energy balance equation to calculate the latent heat flux given that the Bowen ratio is 0.6, the net incoming radiation is 50 J m-2 s-1
Assume that the water pressure at the bottom of a tree is -0.1 MPa and that the water pressure at the top of the tree is -1.5 MPa. What will be the maximum height of the tree
1.9*10^20photons per second are emitted by a 70W lightbulb, the wavelength is 550nm. How many photons per second are entering the pupil
Three sheets of plastic have unknown indices of refraction. Sheet 1 is placed on top of sheet 2, what is the expected angle of refraction in sheet 3
A submarine is 309 m horizontally out from the shore and 149 m beneath the surface of the water. find the height of the building
The starship Enterprise speeds by you at a speed of 0.960c. It is measured in your frame to be 100 m long. how fast did you appear to be traveling according to Data
A square loop with 80 tight turns and sides 15 cm is made with cooper wire a diameter 1.2 mm. determine the current induced in the loop
A star is about 6.00 light years from Earth. How long would the trip take according to an Earth based observer
A circular loop of wire 66 mm in radius carries a current of 102 A. find the energy density at the center of the loop
A transformer has an input coil with Nin = 200 turns and Nout = 850 turns. what is the voltage across the output circuit
The dial on an AM radio contains numbers ranging from about 530 to about 1600. What is the corresponding range of wavelengths
Suppose the moon were held in its orbit not by gravity but by the tension in a massless cable. What is the speed of the moon in its orbit about the earth
A 0.14 kg sphere hangs on a string from the ceiling of a car that is accelerating horizontally at a constant rate. What is the magnitude of the net force on the sphere
A bicycle wheel (with very light spokes) of mass M and radius R is mounted on a light axel through its center. Write a statement of conservation of energy for this system
Two masses m1= 1 kg and m2= 2 kg are connected to each other by a massless rope that passes over a pulley with mass mp= 0.5 kg. What is the period (in s) ofsmall oscillations of this system
A 1.5 m long stick with a mass of 0.3 kg is pivoted on a hinge at one end and held horizontally by a spring with spring constant 10 N/m attached at the other end
The temperature near the top of Saturn's cloud layer is about 110K. The temperature at the top of earth's troposphere, at an altitude of about 20km, is about 220K. Calculate the rms speed of hydroge
Two sinusoidal waves of the same frequency travel in the same direction along a string. what is the amplitude (in cm) of the resultant wave
A hunter is standing on flat ground between two vertical cliffs that are directly opposite one another. find the distance (in m) between the cliffs
X rays with a wavelength of 0.18 nm undergo first-order diffraction from a crystal at a 74 degree angle of incidence