Three pressure sensors each produces a logic 'O' o/p when the pressure at their location falls below a pre-set
pressure P1, P2, or P3. A pump is to be turned on whenever
the pressure at all three locations falls below the pre-set
value.
Obtain the Boolean equation describing the required circuit?​

The force acting on a beam was measured under the same operating conditions and a sample of 5 data points was collected. this process was repeated by 3 observers. the pooled standard deviations of these 3 data sets was 1.21. determine the true mean force using all pooled data (with a 95% probability). the result should look like this: true mean = mean +/- margin of error

J. j. thomson’s experiment disproved the theory that an atom

The experiment done in lab is repeated, using a ball that has unknown mass m. you plot your data in the form of f 2 versus m/l, with f in rev/s, m in kg, and l in m. your data falls close to a straight line that has slope 3.19 m/(kg · s2). use g = 9.80 m/s2 and calculate the mass m of the ball.