(896) Problem 6: Suppose an electic field exerts a 4.7 x 10-17 N westward force
ID: 1877843 • Letter: #
Question
(896) Problem 6: Suppose an electic field exerts a 4.7 x 10-17 N westward force on an electron - 50% Part (a) Find the horizontal component of the electric field in NC, taking east as positive 50% Part (b) Find the horizontal component of the force that this field exerts on a proton, taking east to be positive Grade Summary Deductions Potential 0% 100% h.p Submissions Attempts remaining: S (5% per attempt) detailed view cosO cotan0 asin) acos0 atan)acotan) sinhO cosh tanh cotanh0 Degrees O Radians sinO HOME 0 END DELCLEAR Submit Hint I give up! Hints: 1 % deduction per hint. Hints remaining: 3 Feedback: 1% deduction per feedback.Explanation / Answer
a)
Since east is positive,
F = -4.7*10^-17 N
q = -1.602*10^-19 C
use:
F = q*E
-4.7*10^-17 N = (-1.602*10^-19 C) * E
E = 293 N/C
Answer: 290 N/C
Rounding to 2 significant figures
b)
E = 293 N/C
q = 1.602*10^-19 C
use:
F = q*E
= (1.602*10^-19 C) * (293)
= 4.7*10^17 N
Answer: 4.7*10^17 N
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