Use the Work-Energy Theorem to Find the Force Required to Accelerate

question 75

Multiple Choice

Use the work-energy theorem to find the force required to accelerate an electron (m = 9.11 × 10^-31 kg) moving along the x axis from 4.00 × 10⁶ m/s to 1.60 × 10⁷ m/s in a distance of 0.0125 m.

• A)8.75 × 10^-15 N
• B)5.47 × 10^-22 N
• C)8.20 × 10^-17 N
• D)1.64 × 10^-14 N
• E)3.56 × 10^-19 N

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