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A solenoid contains 725 coils of very thin wire evenly wrapped over a length of 19 centimeter. Each coil is 2.50 centimeter in diameter.
If this solenoid carries a current of 7.50 Amp, obtain what is the magnetic field at its center?
The potential difference across a cell membrane from outside to inside is initially at -90 mV (when in its resting phase). How many ions move through the membrane
An electric motor develops 65 kilowatts of power as it lifts a loaded elevator 17.5 m in 35 s. How much force does the motor exert?
the power company charges 10 cents per kilowatt-hour, explain how much will it cost to leave the bulb on for 30 days? Show your work.
In an experiment designed to measure the strength of a uniform magnetic field produced by a set coils, the electron are accelerated from rest through a potential difference of 350V, and the beam associated with the electrons is measured to have a ..
An 82 kg lumberjack stands at one end of a 355 kg floating log. Both the log and the lumberjack are at rest initially. If the lumberjack now trots toward the other end of the log with a speed of 2.70 m/s relative to the log, what is the lumberjack's ..
Two wooden crates rest on top of one another. The smaller top crate has a mass of m1=20kg and the larger bottom crate has a mass of m2=88kg. what is the acceleration of the lower crate
A 320 piano slides 3.4 down a 33 incline and is kept from accelerating by a man who is pushing back on it parallel to the incline (see the figure(Figure 1) ). The effective coefficient of kinetic friction is 0.40. Calculate the force exerted by th..
Assume the wheel has a constant negative angular acceleration of magnitude 2.50 rad/s2. Explain through how many radians has the wheel turned during the interval found in (a) which is 4.98?
A simple harmonic oscillator has an amplitude of 3.5cm and a max speed of 28cm/s. What is its speed when the displacement is 1.75cm
Explain in your own words the meaning of acute and chronic exposure, deterministic and stochastic effects from radiation. Give examples
A spacecraft has a nonrelativistic (or classical) momentum whose magnitude is 1.8×1014 kg·m/s. Find the relativistic momentum of the spacecraft
Find out the frequency of a sound wave moving through iron at 25 degrees Celsius with a wavelength of 0.601m.
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