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The membrane surrounding a living cell consists of an inner and anouter wall that are separated by a small space. Assume that themembrane acts like a parallel plate capacitor in which the effective charge density on the inner and outer walls has amagnitude of 7.50 10-6 C/m2.
a) What is the magnitude of the electric field within the cellmembrane?b) Find the magnitude of the electric force that would be exertedon a potassium ion (K+; charge = +e) placedinside the membrane.
Consider a deformed nucleus (shape of an ellipsoid, long axis 10% longer than short axis). If you compute the electric potential at the first Bohr radius, what accuracy can you expect if you treat the nucleus as a point charge? Make reasonable es..
Suppose you hear a clap of 4.63 seconds after seeing the lightning stroke. how far are you from the lightning stroke
You are designing a delivery ramp for crates containing exercise equipment. Calculate the maximum force constant of the spring that can be used in order to meet the design criteria
A student is asked to determine thickness of film of oil (n=1.43) on surface of water n=1.33) Light travels through air to oil film to water. Calculate minimum possible thickness of oil film
q1. water flows over victoria falls which is 128 m high at an average rate of 1.6 times 106 kgs. the acceleration of
You have three resistors with values 3.7?, 2.8?, 5.1?, and a battery of 3.6V. You begin by connecting the three resistors in parallel, What is the magnitude of the current in the 2.8 resistor
A spaceship takes a nonstop journey to a planet and returns in 100 hours according to a clock on the spaceship. how much time has elapsed the earth
A light spring-gun projectile launcher is mounted on an .443 kg air track glider. find the speed of the air-track glider after the gun is fired
A ball is thrown directly downward with an initial speed of 7.70 m/s, from a height of 29.0 m. After what time interval does it strike the ground
The energy eigenstates of the hydrogen atom are described by Schrödinger wavefunctions ?(r), where the energy of the ground state ?100(r)=-13.6eV. Determine the expectation value of the energy
A particle with a charge of +8.7 ?C and a speed of 45 m/s enters a uniform magnetic field whose magnitude is 0.35 T. find the magnitude of the magnetic force on the particle
A 1100 car traveling at a speed of 40 skids to a halt on wet concrete where = 0.50. How long are the skid marks.
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