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A) A 3 microcoulomb charge is at the coordinates (3,4) mm. A -4 microcoulomb charge is at the coordinates (-2,5)mm. What is the force vector in polar coordinates on the 3 microcoulomb charge?
B) The 3 microcoulomb charge is removed. There is only a -4 microcoulomb charge at the coordinates (-2,5)mm. What is the Electric field vector in polar coordinates at the origin?
A harmonic wave is traveling along a rope. It is observed that the oscillator that generates the wave completes 42.0 vibrations in 27.0 s. Also, a given maximum travels 430 cm along the rope in 6.0 s. What is the wavelength? cm
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q1. light of wavelength 443 nm in air enters a fishbowl filled with water then exits through the crown glass wall of
A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 7.50 m/s at an angle of 25.0° below the horizontal. It strikes the ground 5.00 s later. (a) How far horizontally from the base of the building does..
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