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Q1. People immersed in strong unchanging magnetic fields occasionally report sensing a metallic taste. Some investigators suspect that motion in the constant field could produce a changing flux and a resulting emf that could stimulate nerves in the tongue. We can make a simple model to see if this is reasonable by imagining a somewhat extreme case. Suppose a patient having an MRI is immersed in a 3.0 T field along the axis of his body. He then quickly tips his head to the side, toward his right shoulder, tipping his head by 30 degrees in the rather short time of 0.15 s
Q2. Compute the emf that might be induced in a loop around the outside of the tongue by this motion of the head. (A typical tongue area is 25 times 10^-4 m^2.
Sketch a principle ray diagram showing the formation of the image. compute the position, size, orientation (erect or inverted), and nature (real or virtual) of the image.
What is Tension in the chain at the point where the chain is attached to the block? What is the tension of the chain midway up the chain? And find out the tension in the chain at the point where the chain is attached to the ceiling.
Just by the impact, the clay has speed v0 = 9 m/s, and the disk is rotating clockwise with angular speed w0 = 0.4 rad/s. Just following the impact, what is an angular speed of the combined system of wheel plus clay.
Find out the frequency of a sound wave moving through iron at 25 degrees Celsius with a wavelength of 0.601m.
The Saturn's ring has a diameter of about 2.00x10^5km and the distance between the Earth and the Saturn is 1.40x10^9km. Based on your calculation on resolution power, will the ring be visible in telescope.
Speedboat A negotiates a curve whose radius is 198 m. Speedboat B negotiates a curve whose radius is 290 m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
Every day our Earth receives 1.55×1022 J energy from the Sun. If we were able to use 0.85 percent of this energy to accelerate spaceships, then how various missions will be possible in one year.
A helium-neon laser intended for instructional use operates 7.5 mW. Find out the maximum value of the electric field at a point where the cross sectional area of beam is 10 mm.
If the partial pressure of water vapor is 47 mm Hg in the lungs at 760 mm Hg pressure, what percentage of air does the water vapor constitute?
Compute the y-component of acceleration
Extimate the thickness of a glass at a bright fringe and the Brewster's angle for light traveling from air to glass.
Find out the effective coefficient of kinetic friction
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