1. A proton has a speed of 1.5 x 105 m/s at a point where the electrical potential is 1000 V. It moves through a point where the electric potential is 900 V. What is its speed at this second point? (e = 1.60 × 10-19 C, mproton = 1.67 x 10-27 kg)

1. A proton has a speed of 1.5 x 105 m/s at a point where the electrical potential is 1000 V. It moves through a point where the electric potential is 900 V. What is its speed at this second point? (e = 1.60 × 10-19 C, mproton = 1.67 x 10-27 kg)

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

Chapter20: Electric Potential And Capacitance

Section: Chapter Questions

Problem 2OQ

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

1. A proton has a speed of 1.5 x 105 m/s at a point where the electrical potential is 1000 V. It moves through a
point where the electric potential is 900 V. What is its speed at this second point? (e = 1.60 × 10-19 C,
mproton = 1.67 x 10-27 kg)
4.16 × 10¹0 m/s
0.53 × 10 m/s
3.55 × 10³ m/s
2.04 × 10³ m/s
2.04 × 10¹
1010 m/s

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