If the 180-lb ski-jumper attains a speed of 80 ft /secas he approaches the takeoff
Chapter 3, Problem 3/50(choose chapter or problem)
If the 180 -lb ski-jumper attains a speed of \(80 \mathrm{ft} / \mathrm{sec}\) as he approaches the takeoff position, calculate the magnitude N of the normal force exerted by the snow on his skis just before he reaches A.
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