5. Near the surface of Earth an electric field points radially downward and has a magnitude of about 100 N/C. Due to an electric charge, a penny (m=3.11 g) rises in the air with an acceleration of 0.150 m/s?. Draw the free body diagram of the penny. b. What is the weight of the penny? What is the net force on the penny? c. What charge (magnitude and sign) would have to be placed on the penny to achieve this acceleration?

5. Near the surface of Earth an electric field points radially downward and has a magnitude of about 100 N/C. Due to an electric charge, a penny (m=3.11 g) rises in the air with an acceleration of 0.150 m/s?. Draw the free body diagram of the penny. b. What is the weight of the penny? What is the net force on the penny? c. What charge (magnitude and sign) would have to be placed on the penny to achieve this acceleration?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter18: Electric Charge And Electric Field

Section: Chapter Questions

Problem 54PE: Earth has a net charge that produces an electric field of approximately 150 N/C downward at its...

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