An Electron Gun Sends Electrons Through a Region with an Electric

question 14

Multiple Choice

An electron gun sends electrons through a region with an electric field of 1.5 $\times$ 10⁴ N/C for a distance of 2.5 cm.If the electrons start from rest,how fast are they moving after traversing the gun?

• A) 1.1 \(\times\) 10⁴ m/s
• B) 1.1 \(\times\) 10⁷ m/s
• C) 2.3 \(\times\) 10⁴ m/s
• D) 2.3 \(\times\) 10⁷ m/s
• E) 2.6 \(\times\) 10¹⁵ m/s

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