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9-4. A particle is accelerated along a curved path of length / under the action of an applied force f(x), as shown in Fig.
9-4. A particle is accelerated along a curved path of length / under the action of an applied force f(x), as shown in Fig. P9.4. The total work done on the particle is W = = f(x) dx N-m. If = 4.0 m, determine the work done for (a) f(x) = 8x + 6x + 4x +2 N. (b) f(x) = 4e-2x N. (c) f(x) = 1 - 2 sin (2) N. Hint: Use a trigonometric identity. f(x) Figure P9.4 A particle moving on a curved path.
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Fundamentals of Physics
Authors: Jearl Walker, Halliday Resnick
8th Extended edition
471758019, 978-0471758013
