In a Television Tube,an Electron Starting from Rest Experiences a Force

question 8

Multiple Choice

In a television tube,an electron starting from rest experiences a force of 4.0 $\times$ 10^-15 N over a distance of 50 cm.The final speed of the electron is (do not worry about relativistic effects) :

• A)4.4 \(\times\) 10¹⁵ m/s
• B)6.6 \(\times\) 10⁷ m/s
• C)3.3 \(\times\) 10⁷ m/s
• D)1.3 \(\times\) 10⁸ m/s
• E)6.6 \(\times\) 10⁸ m/s

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