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A very long solenoid of circular cross section with radius R = 4.0 cm, is centered on, and has its length parallel to, the z axis. It has 85.0 turns per centimeter. A proton is sitting just outside the solenoid on the x axis, at x = +4.50cm. The current in the solenoid is turned on and ramped up at a rate of 43.0 A/s, so that the magnetic field points in the +z direction. The +x axis points to the right, the +y axis points towards the top, and the +z axis points out of the page.
What direction is the force on the proton? The magnitude is 1.31*10^(-21) N. The answer is in the -y direction, but I am wondering why!
There is a tree in the middle of your front yard and you take pictures of a squirrell as it runs around the tree. What is the displacement of the squirrell between the rst and second pictures
A 29 kg board 3.2 m long is supported in a horizontal position at the two ends. A 77 kg worker stands 1.4 m from one end. What forces are exerted by the board on the two support points
A uniform meter stick with a mass of 205 g is supported horizontally by two vertical strings, one at the 0 cm mark and the other at the 90 cm mark. what is tension on the string at the 0 cm mark and at the 90 cm mark.
As the temperature of ice is increased, it changes first into a liquid and then into a vapor. How might one produce liquid carbon dioxide
A flat coil of wire of 18 turns and area 4 m^2 is placed in a uniform magnetic field of 0.6 T. Determine the magnetic flux through the coil
An object is recovered from under the sea. Its weight is measured to be 32.5 lb and its volume 3.3 ft3. What is the object's weight density
An ideal monatomic gas is contained in a vessel of constant volume 0.340 m3. The initial temperature and pressure of the gas are 300 K and 5.00 atm, Find the specific heat of the gas
Determine an angle (in radians) through which the drill rotates during this period.
A Molecule of DNA is 2.17 um long. The ends of the molecule become strongly ionized: negative on one end, positive on the other. The helical molecule acts like a spring and compresses 0.78% upon becoming charged. Determine the effective spring con..
q1. a student calculates the frequency of a waveform produced through a tuning fork to be 303 hz. if the tuning fork is
In order to determine the mass of a molecule, first an electron is removed from the molecule. The resulting ion is accelerated from rest by an electric potential difference 2.7 104 V, Find the mass of the ion
A bowling ball of mass 7.00kg is rolling at 3.00m/s along a level surface. Calculate the ball's rotational kinetic energy
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