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Two protons are 3.0fm apart. ( 1fm = 1 femtometer = 1 x 10^-15 m )
a. What is the magnitude of the electric force on one proton due to the other proton?
b. What is the magnitude of the gravitational force on one proton due to the other proton?
c. What is the ratio of the electric force to the gravitational force?
A system has a heat source supplying heat at a rate of 187 W and is doing work at a rate of 130.899998 W. At what rate is the internal energy of the system changing.
When a car is traveling at 25 m/s on level ground, the stopping distance is found to be 22m. This distance is measured by pushing hard on the brakes so that the wheels skid on the pavement. The same car is driving at the same speed down an incline th..
Meanwhile, Isaac is piloting his ship in the westward direction, also at 0.89, toward Albert's ship. With what speed does Isaac see Albert's light beam pass his ship.
a gas cylinder containing 3.88 mol of helium has a pressure of 549 mm hg at 298 k.if 1.22 mol of neon is added to this
Two toy locomotives approach each other along the same line, and upon collision both stop dead still. What is the mass of the slower locomotive
A stargazer has an astronomical telescope with an objective whose focal length is 185 cm and an eyepiece whose focal length is 1.20 cm. what is the best angular magnification the stargazer will be able to achieve
A crate is dragged across a rough floor by a force of 120N asz` shown below. A friction force of 40N acts to slow the motion of the crate. what is the net work done
During a particular thunderstorm, the electric potential difference between a cloud and the ground is Vcloud - Vground = 4.70 108 V, when the electron moves from the ground to the cloud
A model of the stretching vibrations of a polyethylene chain may be made by considering a linear chain of identical masses M connected by springs of alternating force constants C1 and C2. Calculate the characteristic frequencies of such a chain is th..
A particle has a charge of 600 o C and a mass of 0.6 nkg. This particle is placed in a uniform electric field of 1,200 N/C. Find the a) electrostatic force acting on the mass. If the particle is free from rest what is its acceleration.
What is the instantaneous power, at a time of 0.00700 seconds, dissipated by a 200 ohm resistor in a resonant AC circuit powered by a generator with a 21.0 V greatest potential difference operating at 5000 rad/s .
A uniform rod of length 0.880 m and mass 11.5 kg is balanced on a sharp edge at 0.580 m from the left end. Calculate the torque on the center of mass of the rod alone with respect to the pivot point
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