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    An applied force varies with position

    An applied force varies with position according to F = k1 xn− k2, where n = 3, k1 = 2.4 N/m3, and k2 = 56 N. How much work is done by this force on an object that moves from xi = 5.13 m to xf = 28.2 m? Answer in units of kJ i keep using the integration equation: w = ∫f(x) dx where k1x^4/4 - 56x...
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