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?​

falling water hydro = water .. spectcular places these plants are

the word that best describes martin luther king jr.'s tone in the video is dignified

martin luther king, jr. was a social activist and baptist minister who played a key role in the american civil rights movement from the mid-1950s until his assassination in 1968. the video shows his manner and attitude having or showing a composed or serious manner that is worthy of respect so dignified is the correct answer

no. dot product   =0 when vecs at right angles