A charge QA = −20μC is located at A(−6, 4, 7), and a charge QB = 50μC is at B(5, 8,−2) in free space. If distances are given in meters, find: (a) RAB; (b) RAB. Determine the vector force exerted on QA by QB if 0 = (c) 10−9/(36π) F/m; (d) 8.854 × 10−12 F/m. Ans. 11ax + 4ay − 9az m; 14.76 m; 30.76ax + 11.184ay − 25.16az mN; 30.72ax + 11.169ay − 25.13az mN
A charge QA = −20μC is located at A(−6, 4, 7), and a charge QB = 50μC is at B(5, 8,−2) in free space. If distances are given in meters, find: (a) RAB; (b) RAB. Determine the vector force exerted on QA by QB if 0 = (c) 10−9/(36π) F/m; (d) 8.854 × 10−12 F/m. Ans. 11ax + 4ay − 9az m; 14.76 m; 30.76ax + 11.184ay − 25.16az mN; 30.72ax + 11.169ay − 25.13az mN
A charge QA = −20μC is located at A(−6, 4, 7), and a charge QB = 50μC is at B(5, 8,−2) in free space. If distances are given in meters, find: (a) RAB; (b) RAB. Determine the vector force exerted on QA by QB if 0 = (c) 10−9/(36π) F/m; (d) 8.854 × 10−12 F/m. Ans. 11ax + 4ay − 9az m; 14.76 m; 30.76ax + 11.184ay − 25.16az mN; 30.72ax + 11.169ay − 25.13az mN
A charge QA = −20μC is located at A(−6, 4, 7), and a charge QB = 50μC is at B(5, 8,−2) in free space. If distances are given in meters, find: (a) RAB; (b) RAB. Determine the vector force exerted on QA by QB if 0 = (c) 10−9/(36π) F/m; (d) 8.854 × 10−12 F/m. Ans. 11ax + 4ay − 9az m; 14.76 m; 30.76ax + 11.184ay − 25.16az mN; 30.72ax + 11.169ay − 25.13az mN
Quantities that have magnitude and direction but not position. Some examples of vectors are velocity, displacement, acceleration, and force. They are sometimes called Euclidean or spatial vectors.
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