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In the question above if q1 has mass 0.1g and charge q2 is 2.2x10-9C. The separation r is 4cm, and the angle ? is 17.9 degrees. Find the magnitude of the electric field produced by q2 at the location of q1. Please be sure to express your answer in N/C (you don't need to enter units with your answer)
A laser emits light at wavelength ? = 637 nm in a beam of diameter 2.9 mm and at an energy-emission rate of 5.4 mW. At what rate per unit area does the detector absorb photons
A load of 5 kg is suspended by a string from a fixed support. A force applied on the load in a horizontal direction to displace the load through an angle of 60° from its rest position. Find value of F.
Three capacitors, C1, C2 = 2C1 and C3 = 3C1 are connected in parallel to a voltage source of value V. What is the voltage across each capacitor when all three switches are closed
If the rope tension is 120 N, and if the rope does 2500 J of work on the box, what angle theta does the rope make with the horizontal
a ball is attached to a center post by a string that is 0.378 m long. the ball is moving in a circle on a frictionless
two stationary positive point charges charge 1 of magnitude 3.95nc and charge 2 of magnitude 1.65nc are separated by a
if you have a 20 by 20 square opening and you need an equalaterial triangle to span the opening what are the smallest
When the first artificial satellite was launched into orbit by the former Soviet Union in 1957, U.S. president Dwight D. Eisenhower asked his scientific advisors to calculate the mass of the satellite. Would they have been able to make this calcul..
What is the magnitude of the electric field at a point 0.45cm away from a point charge of +2.0pC? What is the direction of the electric field
A map of a burned area obtained from remote sensing contains 120 pixels. The remote sensing image shows that the fire is isolated to 73 of the 120 pixels.
An electron has been accelerated from rest through a potential difference of 600V. What is the electron's kinetic energy, in electron volts
a 3kg object oscillating on a spring with k 3000 nm has mechanical energy of .9 j. finda the amplitude of the motion.b
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