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Two solenoids, A and B, are wound using equal lengths of the same kind of wire. The length of the axis of each solenoid is large compared with its diameter. The axial length of A is twice as large as that of B, and A has twice as many turns as B. What is the ratio of the inductance of solenoid A to that of solenoid B? (a) 4 (b) 2 (c) 1 (d) 12 (e) 14
question1two vessels a and b each have n molecules of the same perfect monoatomic gas. firstly the two vessels are
A wood block floats on water with 35% of its volume above the surface (of water), what is the average density of the block (in kg/m3)
One end of a brass bar is maintained at 300°C, while the other end is kept at a constant but lower temperature. What is the temperature of the bar at a point 0.15 m from the hot end
A tungsten filament incandescent light bulb emits spherical electromagnetic waves of 50 Watts isotropically. What is the radiation pressure
q1. katie is swinging at a speed of 7.7 ms at the low point. how high will katie and the swing be atthe high point?q2.
an airplane pilot sets a compass course due west and maintains an airspeed of 214 kmh. after flying for a time of 0.520
Two parallel surfaces, separated by a space of 0.5 in that is occupied by a fluid, are moving relative to each other at a velocity of 25, in/sec.
A pigeon flying horizontally at a speed of 16.0m/s drops a stolen Rolex watch. The timepiece falls to the ground in 2.90s. (a) what was the watch's altitude when it was dropped? (b) how far horizontally did it travel before it smashed into the deck?
A flywheel with a radius of 0.700m starts from rest and accelerates with a constant angular acceleration of 0.900rad/s^2. Compute the magnitude of the tangential acceleration of a point on its rim at the start
The label on a candy bar says 440 Calories. Assuming a typical efficiency for energy use by the body, how high could she go
Galaxy A is moving away from us by a speed of 0.85c relative to the earth. Galaxy B is moving away from us in the opposite direction by a relative speed of 0.40c. Assume that the earth and the galaxies are moving at constant velocities, thus they are..
A hydrogen is in its 12th excited state, n=13. Using the Bohr model of hydrogen, Find the angular momentum of the electron in this atom
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