An electron with initial velocity v0 = 1.26 × 105 m/s enters a region 1.0 cm long where it is electrically accelerated (see the figure). It emerges with velocity v = 5.58 × 106 m/s. What is its acceleration, assumed constant? (Such a process occurs in conventional television sets.)

An electron with initial velocity v0 = 1.26 × 105 m/s enters a region 1.0 cm long where it is electrically accelerated (see the figure). It emerges with velocity v = 5.58 × 106 m/s. What is its acceleration, assumed constant? (Such a process occurs in conventional television sets.)

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

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 28P: In a classic clip on Americas Funniest Home Videos, a sleeping cat rolls gently off the top of a...

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Concept explainers

Relative Velocity

It is a measurement of an object with regards to the other object which is moving or stable or stationary. For example, if we are traveling in a bus and the bus is moving at speed of 50km/hr, then our speed is according to the nearby passenger on the bus is zero. According to them, we are not moving. But if one person standing on the ground or road observes us from outside of the bus, according to him we are moving at a speed of 50km/hr and the bus is also moving at a speed of 50km/hr. Now, the motion is recognized by the observer, it depends on a frame of reference or observer. This is motion called relative motion.

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An electron with initial velocity v₀ = 1.26 × 10⁵ m/s enters a region 1.0 cm long where it is electrically accelerated (see the figure). It emerges with velocity v = 5.58 × 10⁶ m/s. What is its acceleration, assumed constant? (Such a process occurs in conventional television sets.)

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