please answer all questions.1
What are the units of the constant å appearing in Coulomb's law in terms of kilograms (kg), meters (m), seconds (s), and coulombs (C)? Comment: K = 1/(4 π ε) s²C²/(kg m²) s²C/(kg m³) kg m³/(s²C²) s²C²/(kg m³) None of the other answers is correct. kg m²/(s²C²)
What is the direction of the net electrical force on charge -Q? Give the angle 0 counterclockwise from +x. +2Q +y 2₁. +x 225° 0 270⁰ O 270⁰ ≤ 0 < 315⁰ O 180° ≤ 0 < 225° O 45° 0 < 90° O 135° ≤ 0 < 180° O 0° 0 <45° O 315° ≤ 0 < 360° O 90° 0 135⁰ 2L L -Q +2Q
please answer all questions.1
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