In Figure 1.1, given that q = 5.00 uC and d = 1.50 m, find the magnitude and direction of the net electrostatic force exerted on point charge q2. q1=+q, q2=-2.0q, q3=+3.0q, d1-2 = d2-3 = d​

The answer is 12, for the points

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If the heat engine is a perfect carnot cycle engine, thenefficiency = (t2-t1)/t2   where t1=temperature of cold reservoir ( ° k) = 135            t2=temperature of hot reservoir ( ° k)   = 325thereforeefficiency = (t2-t1)/t2 = (325-135)/325 = 0.5846 = 58%  note: this is the theoretical maximum efficiency of a perfect heat engine.   real-life engines do not achieve this value.