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Four charged particles rest at the corners of a square of side a = 0.30 m. Charges 1 through 4 are 10, 20, 30 and 40 µC, respectively. Particle 1 is at the top left of the square, and the other charges are located counterclockwise from that charge.
a. Determine the electric field at the position of particle 3 as well as the electric force on particle 3.
b. Determine the electric field at the center of the square.
An astronaut in a satellite says she can just barely resolve two point sources on the Earth, 110km below. Assume λ=540nm, and the pupil diameter of the astronaut's eye to be 5.20mm.
In a head-on collison with an atom, a fast-moving electron suffers a deceleration of 4.0x10^23 m/s^2. What is the electric radiation field generated by the electron at a distance of 10 cm at right angles to the direction of motion
A reaction vessel contains 8.06 g of H2 and 64.0 gof O2 at a temperature of 125?C and a pressure of 125kPa. What is the volume of the vessel
A 0.39 V potential di?erence is maintained across a 1.7 m length of tungsten wire that has a cross-sectional area of 0.85 mm2, What is the current in the wire
If the radius of curvature of the cornea is 0.65cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina
Two point charges q1 = 3.40 nC and q2 = -5.50 nC are 0.100m apart. Point A is midway between them; point B is 0.080 m from q1 and 0.060 m from q2. Take an electric potential to be zero at infinity.
As a baseball is being thrown, it goes from 0.0 to 40.0 m/s in 0.17 s. What is the acceleration of the baseball
Find out the normal force exerted on the crate by the elevator.
A rope applies a horizontal force of 180N to pull a crate a distance of 2m across the floor A frictional force of 60N opposes this motion.
A 130 lb subject did 33 lifts/min up a 30 cm step for 5 minutes, what was the work rate, power output and what was the total work done
Through 5 successive 1.04 min intervals, a runner moves at the following constant speeds: 0.405 km/min, 0.220 km/min, 0.160 km/min, 0.163 km/min, and 0.323 km/min. compute the total distance travelled and average speed.
A 1.0 mW HeNe laser with wavelenght 633 nm is shown on a metal. The photocurrent is reduced to zero with stopping potential of 0.50 volts, What is the work function of the metal and what is the cutoff wavelength
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