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Q1. What is the electric field strength at the point in space where a proton (m=1.67x10^ (-27) kg) experiences an acceleration of 1million g's?

Q2. A 1.0 ball hangs from the ceiling of a truck by a 1.0--long string. The back of truck, where you are riding with the ball, has no windows and has been completely soundproofed. The truck travels along an exceedingly smooth test track, and you feel no bounces or bumps as it moves. Your only instruments are a meter stick, a protractor, and a stopwatch.

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