An electron of mass 9.11 10-31 kg has an initial speed of 2.00 105 m/s. It travels in a straight line, and its speed increases to 6.60 105 m/s in a distance of 4.00 cm. Assume its acceleration is constant. (a) Determine the magnitude of the force exerted on the electron in Newtons. (b) Compare this force (F) with the weight of the electron (Fg), which we ignored. F/Fg=

An electron of mass 9.11 10-31 kg has an initial speed of 2.00 105 m/s. It travels in a straight line, and its speed increases to 6.60 105 m/s in a distance of 4.00 cm. Assume its acceleration is constant. (a) Determine the magnitude of the force exerted on the electron in Newtons. (b) Compare this force (F) with the weight of the electron (Fg), which we ignored. F/Fg=

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter4: The Laws Of Motion

Section: Chapter Questions

Problem 2CQ: If a car is traveling due westward with a constant speed of 20 m/s, what is the resultant force...

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Question

An electron of mass 9.11 10^-31 kg has an initial speed of 2.00 10⁵ m/s. It travels in a straight line, and its speed increases to 6.60 10⁵ m/s in a distance of 4.00 cm. Assume its acceleration is constant.

(a) Determine the magnitude of the force exerted on the electron in Newtons.

(b) Compare this force (F) with the weight of the electron (F_g), which we ignored.

F/Fg=

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