Answer to Question #17136 in Mechanics | Relativity for Brianna
V = at ==> t = V/a
D = at²/2 = a(V/a)²/2 = aV²/(2a²) = V²/(2a) ==> a = 2V²/D = 2*(0.60[m/s])²/0.41[m] = 1.76[m/s²].
According to the second Newton's law, the magnitude of the net force acting on the kayak is
F = m*a = 73[kg] * 1.76[m/s²] = 128.48[N]
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