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(7%) Problem 1: Two point charges exert a 5.5 N force on each other. A What will the force become in N if the distance between them is increased by a factor of three? F2 = Grade Summary Deductions 0% Potential 100% sin() cos() tan() 7 8 9 HOME Submissions cotan() asin() acos() F NA 4 5 6 Attempts remaining: 999 atan() acotan() sinh() 2 3 (0% per attempt) detailed view cosho tanh() cotanh() + 0 END Degrees Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 3 Feedback: 0% deduction per feedback.(7%) Problem 2: Suppose you wanted to increase the force between two point charges by a factor of 6. A By what factor must you change the distance between them? df / di = Grade Summary Deductions 0% Potential 100% sin() cos() tan() 7 8 9 HOME Submissions cotan() asin() acos() E NA A 4 5 6 Attempts remaining: 999 atan() acotan() sinh() 2 3 (0% per attempt) detailed view cosho tanh() cotanh() + 0 END Degrees O Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 2 Feedback: 0% deduction per feedback.(7%) Problem 4: Common static electricity involves charges ranging from nanocoulombs to microcoulombs. 50% Part (a) How many electrons are needed to form a charge of @1 = -4 nC? Grade Summary N = Deductions 0% Potential 100% sin() cosO tan() 7 8 9 HOME Submissions cotan() asin() acos() E 1 5 6 Attempts remaining: 999 atan() acotan() sinh() 2 3 (0% per attempt) detailed view cosho tanh() cotanh() + 0 END Degrees Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 0 for a 0% deduction. Hints remaining: 0 Feedback: 0% deduction per feedback. 4 50% Part (b) How many electrons must be removed from a neutral object to leave a net charge of @2 = 2.7 JC?(7%) Problem 8: A positively charged particle Q] = 25 nC is held xed at the on'gin. A negatively chai'ged particle Q2 : -24 nC of mass m = 4.5 pig is located a distance d = 45 cm along the positive xaxis from the positively charged particle. & 33% Part (a) What is the magnitude of the electric force in newtons that acts on the charge Q; ? KEEN deduction per hint. Hints remaining: _ A 33% Part (b) What is the direction of the force on Charge Q2? - A 33 '75 Part (a) What is the magnitude of the acceleration, a in mlsz, experienced by charge Q2 ? ' lllL'L'\\])L'I'llil,t'lllll Grade Summary Deductions Potential 100% Submissions Attempts remaining: _ ( per attempt) detailed View (7%) Problem 10: A point charge of 5.1 uC is placed at the origin (x1 = 0) of a coordinate system, and another charge of -2.3 JC is placed placed on the x-axis at *2 = 0.25 m. A 50% Part (a) Where on the x-axis can a third charge be placed in meters so that the net force on it is zero? Grade Summary X3 = Deductions 0% Potential 100% sin() cos tan() 7 8 9 HOME Submissions cotan() asin() acos() E 4 5 6 Attempts remaining: 999 atan() acotan() sinh() 2 3 (0% per attempt) detailed view cosho tanh() cotanh() + END Degrees Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 3 Feedback: 0% deduction per feedback. 4 50% Part (b) What if both charges are positive; that is, what if the second charge is 2.3 JC?(7%) Problem 15: Point charges located at 3, 8, and 11 cm along the x-axis are represented in the figure. + 5 10 x (cm) +q -2q +q Otheexpertta.com 33% Part (a) Find the electric field at x1 = 5.00 cm in N/C, given that q = 1.00 uC . Grade Summary E= Deductions 0% Potential 100% sin( cos() tan() 7 8 9 HOME Submissions cotan() asin() acos() E 4 5 6 Attempts remaining: 999 atan() acotan() sinh() 2 3 (0% per attempt) detailed view cosh() tanh() cotanh() + O END Degrees O Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 2 Feedback: 0% deduction per feedback. 4 33% Part (b) At what position between 3.00 and 8.00 cm is the total electric field the same as that for -2q alone in cm? 4 33% Part (c) At what position to the right of 11.0 cm is the total electric field zero in cm, other than at infinity