An electron (m 9.11x10 kg) accelerates in a uniform electric field E = 1.45 x 10* N/C. What is the acceleration of the electron after it traveled 10 cm in the electric field? O A. None O B. 2.55 x 1015 m/s? OC 1.5 x 1015 m/s OD. 2.55 x 1014 m/s? OE 1.5 x 1014 m/s?

University Physics Volume 2
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Chapter5: Electric Charges And Fields
Section: Chapter Questions
Problem 67P: Consider an electron that is 1010 m from an alpha particle (q=3.21019C) . (a) What is the electric...
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An electron (m 9.11x101 kg) accelerates in a uniform electric field E = 1.45 x 10* N/C. What is the
acceleration of the electron after it traveled 10 cm in the electric field?
O A. None
O B. 2.55 x 10 m/s?
OC 1.5 x 1015 m/s
OD.
2.55 x 1014 m/s2
O E.
1.5 x 1014 m/s?
Transcribed Image Text:An electron (m 9.11x101 kg) accelerates in a uniform electric field E = 1.45 x 10* N/C. What is the acceleration of the electron after it traveled 10 cm in the electric field? O A. None O B. 2.55 x 10 m/s? OC 1.5 x 1015 m/s OD. 2.55 x 1014 m/s2 O E. 1.5 x 1014 m/s?
Time left 1:40:I.
Assume Young's modulus for bone is 1.50 x 10º N/m². The bone breaks if stress greater than o= 72740
N/m is imposed on it. What is the maximum force (in Newton) that can be exerted on the femur bone in the
leg if it has a minimum effective radius r=0.01 m?
A. 45.7
B. 22.85
C. 11.43
D. 4.78
E. None
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Transcribed Image Text:Time left 1:40:I. Assume Young's modulus for bone is 1.50 x 10º N/m². The bone breaks if stress greater than o= 72740 N/m is imposed on it. What is the maximum force (in Newton) that can be exerted on the femur bone in the leg if it has a minimum effective radius r=0.01 m? A. 45.7 B. 22.85 C. 11.43 D. 4.78 E. None Next page to search 立 O < O o u Od
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