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Page 1: Question 1 (1 point) 1 2 3 . 01 Q: 4 5 6 _ E r 7 a 9 H II 10 Three

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Page 1: Question 1 (1 point) 1 2 3 . 01 Q: 4 5 6 _ E r 7 a 9 H II 10 Three charges, q1, (12, and q3 are distributed as shown. What is the magnitude of the net electric field at point A if q1=O.486 nC' q2= 0.322 WC and d3 = -D.133 nC? Round your answer to the nearest whole number. Your Answer: :1 Answer Question 2 (1 point) The electric force between two charged objects is 253.5 N when the objects are 7.52x10'4 m apart. What is the new electric force between the same objects it the distance is changed to 19.56x10'4 m? Round your answer to have 1 decimal place. Your Answer: :i Answer Question 3 (1 point) Page 1: At what distance from an alpha particle would the magnitude of the electric field be 1 2 3 3.30108 NlC? (Hint: look up the charge on an alpha particle on the Physics 30 formula sheet) 4 5 6 Round your answer to ha ve 3 decimal places. You r An swer: 7' 8 9 10 Answer Question 4 (1 point) If an alpha particle experiences an electric force of 0.13 N at a point in space, what electric force would a proton experience at the same point? Round your answer to ha ve 3 decimal pieces. Your Answer: :] Answer Question 5 (1 point) A proton is 2.83x10'u m from an electron. The magnitude of the force of attraction between them is _____ x 1078 N. Round your answer to ha ve 2 decimal pieces. Your Answer: :]

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