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I wonder how the transition to digital TV broadcast happened in the US (2009) as it is due to happen in Canada this year. For those who still get the signal through an old fashioned antenna (no cable or satellite). Will retail stores be flooded by decoders at bargain prices or else there will be...

1.013*10^5 N / M^2 is atmospheric pressure (101 kPa) 1000 kg / M^3 is the density of water 1 M^3 = 1000 liters 9.8 M / S^2 is the gravitational acceleration at the surface of the earth 40 M is the height from which the water falls So the first term (minus the 4 degree celsius) is the energy...